Home / 36,485,005.80-54,693,294.30-13,781,159.40

Finding the Fourth Proportional to 36,485,005.80, 54,693,294.30 and 13,781,159.40

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Solution

The fourth proportional to 36,485,005.80, 54,693,294.30 and 13,781,159.40 is: 20,658,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,485,005.80 : 54,693,294.30 = 13,781,159.40 : x
  2. Step 2: Convert to fraction form
    36,485,005.80/54,693,294.30 = 13,781,159.40/x
  3. Step 3: Cross multiply
    36,485,005.80x = 54,693,294.30 × 13,781,159.40
  4. Step 4: Simplify right side
    36,485,005.80x = 753,737,006,859,411.38
  5. Step 5: Solve for x
    x = 753,737,006,859,411.38/36,485,005.80
  6. Step 6: Final answer
    x = 20,658,815.60

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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.