Home / 19,339,508.64-28,999,279.92-5,690,881.20

Finding the Fourth Proportional to 19,339,508.64, 28,999,279.92 and 5,690,881.20

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Solution

The fourth proportional to 19,339,508.64, 28,999,279.92 and 5,690,881.20 is: 8,533,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,339,508.64 : 28,999,279.92 = 5,690,881.20 : x
  2. Step 2: Convert to fraction form
    19,339,508.64/28,999,279.92 = 5,690,881.20/x
  3. Step 3: Cross multiply
    19,339,508.64x = 28,999,279.92 × 5,690,881.20
  4. Step 4: Simplify right side
    19,339,508.64x = 165,031,456,910,265.53
  5. Step 5: Solve for x
    x = 165,031,456,910,265.53/19,339,508.64
  6. Step 6: Final answer
    x = 8,533,384.17

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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.