Home / 19,730,001.70-29,595,002.55-18,218,347.30

Finding the Fourth Proportional to 19,730,001.70, 29,595,002.55 and 18,218,347.30

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Solution

The fourth proportional to 19,730,001.70, 29,595,002.55 and 18,218,347.30 is: 27,327,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730,001.70 : 29,595,002.55 = 18,218,347.30 : x
  2. Step 2: Convert to fraction form
    19,730,001.70/29,595,002.55 = 18,218,347.30/x
  3. Step 3: Cross multiply
    19,730,001.70x = 29,595,002.55 × 18,218,347.30
  4. Step 4: Simplify right side
    19,730,001.70x = 539,172,034,800,285.62
  5. Step 5: Solve for x
    x = 539,172,034,800,285.62/19,730,001.70
  6. Step 6: Final answer
    x = 27,327,520.95

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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.