Home / 7,984,207.30-11,976,310.95-4,388,123.20

Finding the Fourth Proportional to 7,984,207.30, 11,976,310.95 and 4,388,123.20

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Solution

The fourth proportional to 7,984,207.30, 11,976,310.95 and 4,388,123.20 is: 6,582,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984,207.30 : 11,976,310.95 = 4,388,123.20 : x
  2. Step 2: Convert to fraction form
    7,984,207.30/11,976,310.95 = 4,388,123.20/x
  3. Step 3: Cross multiply
    7,984,207.30x = 11,976,310.95 × 4,388,123.20
  4. Step 4: Simplify right side
    7,984,207.30x = 52,553,527,930,109.04
  5. Step 5: Solve for x
    x = 52,553,527,930,109.04/7,984,207.30
  6. Step 6: Final answer
    x = 6,582,184.80

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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.