Home / 20,267,864.59-30,414,275.08-7,969,663.75

Finding the Fourth Proportional to 20,267,864.59, 30,414,275.08 and 7,969,663.75

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Solution

The fourth proportional to 20,267,864.59, 30,414,275.08 and 7,969,663.75 is: 11,959,402.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267,864.59 : 30,414,275.08 = 7,969,663.75 : x
  2. Step 2: Convert to fraction form
    20,267,864.59/30,414,275.08 = 7,969,663.75/x
  3. Step 3: Cross multiply
    20,267,864.59x = 30,414,275.08 × 7,969,663.75
  4. Step 4: Simplify right side
    20,267,864.59x = 242,391,545,587,604.34
  5. Step 5: Solve for x
    x = 242,391,545,587,604.34/20,267,864.59
  6. Step 6: Final answer
    x = 11,959,402.26

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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.