Home / 7,899,340.60-11,849,010.90-6,986,049.40

Finding the Fourth Proportional to 7,899,340.60, 11,849,010.90 and 6,986,049.40

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Solution

The fourth proportional to 7,899,340.60, 11,849,010.90 and 6,986,049.40 is: 10,479,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899,340.60 : 11,849,010.90 = 6,986,049.40 : x
  2. Step 2: Convert to fraction form
    7,899,340.60/11,849,010.90 = 6,986,049.40/x
  3. Step 3: Cross multiply
    7,899,340.60x = 11,849,010.90 × 6,986,049.40
  4. Step 4: Simplify right side
    7,899,340.60x = 82,777,775,488,538.47
  5. Step 5: Solve for x
    x = 82,777,775,488,538.47/7,899,340.60
  6. Step 6: Final answer
    x = 10,479,074.10

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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.