Home / 10,981,954.70-16,472,932.05-8,147,602.70

Finding the Fourth Proportional to 10,981,954.70, 16,472,932.05 and 8,147,602.70

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Solution

The fourth proportional to 10,981,954.70, 16,472,932.05 and 8,147,602.70 is: 12,221,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981,954.70 : 16,472,932.05 = 8,147,602.70 : x
  2. Step 2: Convert to fraction form
    10,981,954.70/16,472,932.05 = 8,147,602.70/x
  3. Step 3: Cross multiply
    10,981,954.70x = 16,472,932.05 × 8,147,602.70
  4. Step 4: Simplify right side
    10,981,954.70x = 134,214,905,647,496.55
  5. Step 5: Solve for x
    x = 134,214,905,647,496.55/10,981,954.70
  6. Step 6: Final answer
    x = 12,221,404.05

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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.