Home / 8,093,115.20-12,139,672.80-7,719,867.20

Finding the Fourth Proportional to 8,093,115.20, 12,139,672.80 and 7,719,867.20

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Solution

The fourth proportional to 8,093,115.20, 12,139,672.80 and 7,719,867.20 is: 11,579,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093,115.20 : 12,139,672.80 = 7,719,867.20 : x
  2. Step 2: Convert to fraction form
    8,093,115.20/12,139,672.80 = 7,719,867.20/x
  3. Step 3: Cross multiply
    8,093,115.20x = 12,139,672.80 × 7,719,867.20
  4. Step 4: Simplify right side
    8,093,115.20x = 93,716,661,867,452.17
  5. Step 5: Solve for x
    x = 93,716,661,867,452.17/8,093,115.20
  6. Step 6: Final answer
    x = 11,579,800.80

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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.