Home / 12,272,834.52-16,932,758.40-7,115,166.90

Finding the Fourth Proportional to 12,272,834.52, 16,932,758.40 and 7,115,166.90

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Solution

The fourth proportional to 12,272,834.52, 16,932,758.40 and 7,115,166.90 is: 9,816,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,272,834.52 : 16,932,758.40 = 7,115,166.90 : x
  2. Step 2: Convert to fraction form
    12,272,834.52/16,932,758.40 = 7,115,166.90/x
  3. Step 3: Cross multiply
    12,272,834.52x = 16,932,758.40 × 7,115,166.90
  4. Step 4: Simplify right side
    12,272,834.52x = 120,479,402,093,376.95
  5. Step 5: Solve for x
    x = 120,479,402,093,376.95/12,272,834.52
  6. Step 6: Final answer
    x = 9,816,754.39

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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.