Home / 19,985,466.92-29,976,182.87-13,549,864.04

Finding the Fourth Proportional to 19,985,466.92, 29,976,182.87 and 13,549,864.04

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Solution

The fourth proportional to 19,985,466.92, 29,976,182.87 and 13,549,864.04 is: 20,323,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,985,466.92 : 29,976,182.87 = 13,549,864.04 : x
  2. Step 2: Convert to fraction form
    19,985,466.92/29,976,182.87 = 13,549,864.04/x
  3. Step 3: Cross multiply
    19,985,466.92x = 29,976,182.87 × 13,549,864.04
  4. Step 4: Simplify right side
    19,985,466.92x = 406,173,202,176,796.12
  5. Step 5: Solve for x
    x = 406,173,202,176,796.12/19,985,466.92
  6. Step 6: Final answer
    x = 20,323,428.21

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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.