Home / 10,334,473.40-15,501,710.10-8,421,285.80

Finding the Fourth Proportional to 10,334,473.40, 15,501,710.10 and 8,421,285.80

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Solution

The fourth proportional to 10,334,473.40, 15,501,710.10 and 8,421,285.80 is: 12,631,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334,473.40 : 15,501,710.10 = 8,421,285.80 : x
  2. Step 2: Convert to fraction form
    10,334,473.40/15,501,710.10 = 8,421,285.80/x
  3. Step 3: Cross multiply
    10,334,473.40x = 15,501,710.10 × 8,421,285.80
  4. Step 4: Simplify right side
    10,334,473.40x = 130,544,331,140,846.59
  5. Step 5: Solve for x
    x = 130,544,331,140,846.59/10,334,473.40
  6. Step 6: Final answer
    x = 12,631,928.70

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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.