Home / 11,921,277.60-16,451,715.54-8,442,839.52

Finding the Fourth Proportional to 11,921,277.60, 16,451,715.54 and 8,442,839.52

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Solution

The fourth proportional to 11,921,277.60, 16,451,715.54 and 8,442,839.52 is: 11,651,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,921,277.60 : 16,451,715.54 = 8,442,839.52 : x
  2. Step 2: Convert to fraction form
    11,921,277.60/16,451,715.54 = 8,442,839.52/x
  3. Step 3: Cross multiply
    11,921,277.60x = 16,451,715.54 × 8,442,839.52
  4. Step 4: Simplify right side
    11,921,277.60x = 138,899,194,132,910.12
  5. Step 5: Solve for x
    x = 138,899,194,132,910.12/11,921,277.60
  6. Step 6: Final answer
    x = 11,651,368.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.