Home / 8,749,044.20-13,123,566.30-7,709,781.80

Finding the Fourth Proportional to 8,749,044.20, 13,123,566.30 and 7,709,781.80

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Solution

The fourth proportional to 8,749,044.20, 13,123,566.30 and 7,709,781.80 is: 11,564,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,044.20 : 13,123,566.30 = 7,709,781.80 : x
  2. Step 2: Convert to fraction form
    8,749,044.20/13,123,566.30 = 7,709,781.80/x
  3. Step 3: Cross multiply
    8,749,044.20x = 13,123,566.30 × 7,709,781.80
  4. Step 4: Simplify right side
    8,749,044.20x = 101,179,832,610,833.34
  5. Step 5: Solve for x
    x = 101,179,832,610,833.34/8,749,044.20
  6. Step 6: Final answer
    x = 11,564,672.70

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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.