Home / 42,521,162.52-63,791,880.92-13,767,306.76

Finding the Fourth Proportional to 42,521,162.52, 63,791,880.92 and 13,767,306.76

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Solution

The fourth proportional to 42,521,162.52, 63,791,880.92 and 13,767,306.76 is: 20,654,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,521,162.52 : 63,791,880.92 = 13,767,306.76 : x
  2. Step 2: Convert to fraction form
    42,521,162.52/63,791,880.92 = 13,767,306.76/x
  3. Step 3: Cross multiply
    42,521,162.52x = 63,791,880.92 × 13,767,306.76
  4. Step 4: Simplify right side
    42,521,162.52x = 878,242,393,423,031
  5. Step 5: Solve for x
    x = 878,242,393,423,031/42,521,162.52
  6. Step 6: Final answer
    x = 20,654,242.30

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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.