Home / 21,789,714.30-32,691,569.85-9,654,488.70

Finding the Fourth Proportional to 21,789,714.30, 32,691,569.85 and 9,654,488.70

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Solution

The fourth proportional to 21,789,714.30, 32,691,569.85 and 9,654,488.70 is: 14,484,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,789,714.30 : 32,691,569.85 = 9,654,488.70 : x
  2. Step 2: Convert to fraction form
    21,789,714.30/32,691,569.85 = 9,654,488.70/x
  3. Step 3: Cross multiply
    21,789,714.30x = 32,691,569.85 × 9,654,488.70
  4. Step 4: Simplify right side
    21,789,714.30x = 315,620,391,702,085.69
  5. Step 5: Solve for x
    x = 315,620,391,702,085.69/21,789,714.30
  6. Step 6: Final answer
    x = 14,484,833.87

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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.