Home / 42,520,977.14-63,791,602.45-13,767,121.26

Finding the Fourth Proportional to 42,520,977.14, 63,791,602.45 and 13,767,121.26

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Solution

The fourth proportional to 42,520,977.14, 63,791,602.45 and 13,767,121.26 is: 20,653,963.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,520,977.14 : 63,791,602.45 = 13,767,121.26 : x
  2. Step 2: Convert to fraction form
    42,520,977.14/63,791,602.45 = 13,767,121.26/x
  3. Step 3: Cross multiply
    42,520,977.14x = 63,791,602.45 × 13,767,121.26
  4. Step 4: Simplify right side
    42,520,977.14x = 878,226,726,264,445.25
  5. Step 5: Solve for x
    x = 878,226,726,264,445.25/42,520,977.14
  6. Step 6: Final answer
    x = 20,653,963.89

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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.