Home / 12,771,272.59-19,156,222.05-6,287,884.56

Finding the Fourth Proportional to 12,771,272.59, 19,156,222.05 and 6,287,884.56

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Solution

The fourth proportional to 12,771,272.59, 19,156,222.05 and 6,287,884.56 is: 9,431,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,272.59 : 19,156,222.05 = 6,287,884.56 : x
  2. Step 2: Convert to fraction form
    12,771,272.59/19,156,222.05 = 6,287,884.56/x
  3. Step 3: Cross multiply
    12,771,272.59x = 19,156,222.05 × 6,287,884.56
  4. Step 4: Simplify right side
    12,771,272.59x = 120,452,112,856,126.55
  5. Step 5: Solve for x
    x = 120,452,112,856,126.55/12,771,272.59
  6. Step 6: Final answer
    x = 9,431,488.68

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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.