Home / 38,711,440.15-53,419,754.55-21,304,458.34

Finding the Fourth Proportional to 38,711,440.15, 53,419,754.55 and 21,304,458.34

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Solution

The fourth proportional to 38,711,440.15, 53,419,754.55 and 21,304,458.34 is: 29,399,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,711,440.15 : 53,419,754.55 = 21,304,458.34 : x
  2. Step 2: Convert to fraction form
    38,711,440.15/53,419,754.55 = 21,304,458.34/x
  3. Step 3: Cross multiply
    38,711,440.15x = 53,419,754.55 × 21,304,458.34
  4. Step 4: Simplify right side
    38,711,440.15x = 1,138,078,935,343,500.50
  5. Step 5: Solve for x
    x = 1,138,078,935,343,500.50/38,711,440.15
  6. Step 6: Final answer
    x = 29,399,033.75

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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.