Home / 40,695,917.60-61,043,876.40-15,131,637.20

Finding the Fourth Proportional to 40,695,917.60, 61,043,876.40 and 15,131,637.20

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Solution

The fourth proportional to 40,695,917.60, 61,043,876.40 and 15,131,637.20 is: 22,697,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,695,917.60 : 61,043,876.40 = 15,131,637.20 : x
  2. Step 2: Convert to fraction form
    40,695,917.60/61,043,876.40 = 15,131,637.20/x
  3. Step 3: Cross multiply
    40,695,917.60x = 61,043,876.40 × 15,131,637.20
  4. Step 4: Simplify right side
    40,695,917.60x = 923,693,790,966,442
  5. Step 5: Solve for x
    x = 923,693,790,966,442/40,695,917.60
  6. Step 6: Final answer
    x = 22,697,455.80

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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.