Home / 42,645,787.44-63,968,631.48-13,891,876.92

Finding the Fourth Proportional to 42,645,787.44, 63,968,631.48 and 13,891,876.92

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Solution

The fourth proportional to 42,645,787.44, 63,968,631.48 and 13,891,876.92 is: 20,837,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,645,787.44 : 63,968,631.48 = 13,891,876.92 : x
  2. Step 2: Convert to fraction form
    42,645,787.44/63,968,631.48 = 13,891,876.92/x
  3. Step 3: Cross multiply
    42,645,787.44x = 63,968,631.48 × 13,891,876.92
  4. Step 4: Simplify right side
    42,645,787.44x = 888,644,355,260,997.38
  5. Step 5: Solve for x
    x = 888,644,355,260,997.38/42,645,787.44
  6. Step 6: Final answer
    x = 20,837,799.20

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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.