Home / 10,361,213.15-15,541,819.73-7,841,789.15

Finding the Fourth Proportional to 10,361,213.15, 15,541,819.73 and 7,841,789.15

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Solution

The fourth proportional to 10,361,213.15, 15,541,819.73 and 7,841,789.15 is: 11,762,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,213.15 : 15,541,819.73 = 7,841,789.15 : x
  2. Step 2: Convert to fraction form
    10,361,213.15/15,541,819.73 = 7,841,789.15/x
  3. Step 3: Cross multiply
    10,361,213.15x = 15,541,819.73 × 7,841,789.15
  4. Step 4: Simplify right side
    10,361,213.15x = 121,875,673,329,969.94
  5. Step 5: Solve for x
    x = 121,875,673,329,969.94/10,361,213.15
  6. Step 6: Final answer
    x = 11,762,683.73

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Double scale
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Similar ratio
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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.