Home / 11,918,588.52-17,878,046.80-3,398,925.90

Finding the Fourth Proportional to 11,918,588.52, 17,878,046.80 and 3,398,925.90

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Solution

The fourth proportional to 11,918,588.52, 17,878,046.80 and 3,398,925.90 is: 5,098,435.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918,588.52 : 17,878,046.80 = 3,398,925.90 : x
  2. Step 2: Convert to fraction form
    11,918,588.52/17,878,046.80 = 3,398,925.90/x
  3. Step 3: Cross multiply
    11,918,588.52x = 17,878,046.80 × 3,398,925.90
  4. Step 4: Simplify right side
    11,918,588.52x = 60,766,156,309,932.12
  5. Step 5: Solve for x
    x = 60,766,156,309,932.12/11,918,588.52
  6. Step 6: Final answer
    x = 5,098,435.62

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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.