Home / 12,442,108.50-18,670,511.07-5,253,177.06

Finding the Fourth Proportional to 12,442,108.50, 18,670,511.07 and 5,253,177.06

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Solution

The fourth proportional to 12,442,108.50, 18,670,511.07 and 5,253,177.06 is: 7,882,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,108.50 : 18,670,511.07 = 5,253,177.06 : x
  2. Step 2: Convert to fraction form
    12,442,108.50/18,670,511.07 = 5,253,177.06/x
  3. Step 3: Cross multiply
    12,442,108.50x = 18,670,511.07 × 5,253,177.06
  4. Step 4: Simplify right side
    12,442,108.50x = 98,079,500,451,400.05
  5. Step 5: Solve for x
    x = 98,079,500,451,400.05/12,442,108.50
  6. Step 6: Final answer
    x = 7,882,868.12

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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.