Home / 38,711,439.15-53,419,753.17-21,304,457.34

Finding the Fourth Proportional to 38,711,439.15, 53,419,753.17 and 21,304,457.34

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Solution

The fourth proportional to 38,711,439.15, 53,419,753.17 and 21,304,457.34 is: 29,399,032.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,711,439.15 : 53,419,753.17 = 21,304,457.34 : x
  2. Step 2: Convert to fraction form
    38,711,439.15/53,419,753.17 = 21,304,457.34/x
  3. Step 3: Cross multiply
    38,711,439.15x = 53,419,753.17 × 21,304,457.34
  4. Step 4: Simplify right side
    38,711,439.15x = 1,138,078,852,523,594.75
  5. Step 5: Solve for x
    x = 1,138,078,852,523,594.75/38,711,439.15
  6. Step 6: Final answer
    x = 29,399,032.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.