Home / 10,220,685.48-15,331,028.22-4,153,995.83

Finding the Fourth Proportional to 10,220,685.48, 15,331,028.22 and 4,153,995.83

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Solution

The fourth proportional to 10,220,685.48, 15,331,028.22 and 4,153,995.83 is: 6,230,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220,685.48 : 15,331,028.22 = 4,153,995.83 : x
  2. Step 2: Convert to fraction form
    10,220,685.48/15,331,028.22 = 4,153,995.83/x
  3. Step 3: Cross multiply
    10,220,685.48x = 15,331,028.22 × 4,153,995.83
  4. Step 4: Simplify right side
    10,220,685.48x = 63,685,027,333,819.90
  5. Step 5: Solve for x
    x = 63,685,027,333,819.90/10,220,685.48
  6. Step 6: Final answer
    x = 6,230,993.75

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.