Home / 13,520,711.67-20,266,895.74-4,995,610.71

Finding the Fourth Proportional to 13,520,711.67, 20,266,895.74 and 4,995,610.71

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Solution

The fourth proportional to 13,520,711.67, 20,266,895.74 and 4,995,610.71 is: 7,488,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,711.67 : 20,266,895.74 = 4,995,610.71 : x
  2. Step 2: Convert to fraction form
    13,520,711.67/20,266,895.74 = 4,995,610.71/x
  3. Step 3: Cross multiply
    13,520,711.67x = 20,266,895.74 × 4,995,610.71
  4. Step 4: Simplify right side
    13,520,711.67x = 101,245,521,338,074.25
  5. Step 5: Solve for x
    x = 101,245,521,338,074.25/13,520,711.67
  6. Step 6: Final answer
    x = 7,488,179.90

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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.