Home / 8,442,488.92-12,680,678.04-5,037,419.20

Finding the Fourth Proportional to 8,442,488.92, 12,680,678.04 and 5,037,419.20

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Solution

The fourth proportional to 8,442,488.92, 12,680,678.04 and 5,037,419.20 is: 7,566,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442,488.92 : 12,680,678.04 = 5,037,419.20 : x
  2. Step 2: Convert to fraction form
    8,442,488.92/12,680,678.04 = 5,037,419.20/x
  3. Step 3: Cross multiply
    8,442,488.92x = 12,680,678.04 × 5,037,419.20
  4. Step 4: Simplify right side
    8,442,488.92x = 63,877,891,027,714.37
  5. Step 5: Solve for x
    x = 63,877,891,027,714.37/8,442,488.92
  6. Step 6: Final answer
    x = 7,566,239.25

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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.