Home / 10,981,953.70-16,472,930.55-8,147,601.70

Finding the Fourth Proportional to 10,981,953.70, 16,472,930.55 and 8,147,601.70

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Solution

The fourth proportional to 10,981,953.70, 16,472,930.55 and 8,147,601.70 is: 12,221,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981,953.70 : 16,472,930.55 = 8,147,601.70 : x
  2. Step 2: Convert to fraction form
    10,981,953.70/16,472,930.55 = 8,147,601.70/x
  3. Step 3: Cross multiply
    10,981,953.70x = 16,472,930.55 × 8,147,601.70
  4. Step 4: Simplify right side
    10,981,953.70x = 134,214,876,953,161.94
  5. Step 5: Solve for x
    x = 134,214,876,953,161.94/10,981,953.70
  6. Step 6: Final answer
    x = 12,221,402.55

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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.