Home / 7,899,338.10-11,849,007.15-6,986,046.90

Finding the Fourth Proportional to 7,899,338.10, 11,849,007.15 and 6,986,046.90

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Solution

The fourth proportional to 7,899,338.10, 11,849,007.15 and 6,986,046.90 is: 10,479,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899,338.10 : 11,849,007.15 = 6,986,046.90 : x
  2. Step 2: Convert to fraction form
    7,899,338.10/11,849,007.15 = 6,986,046.90/x
  3. Step 3: Cross multiply
    7,899,338.10x = 11,849,007.15 × 6,986,046.90
  4. Step 4: Simplify right side
    7,899,338.10x = 82,777,719,668,335.34
  5. Step 5: Solve for x
    x = 82,777,719,668,335.34/7,899,338.10
  6. Step 6: Final answer
    x = 10,479,070.35

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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.