Home / 9,123,640.30-13,685,460.45-8,981,922.70

Finding the Fourth Proportional to 9,123,640.30, 13,685,460.45 and 8,981,922.70

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Solution

The fourth proportional to 9,123,640.30, 13,685,460.45 and 8,981,922.70 is: 13,472,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123,640.30 : 13,685,460.45 = 8,981,922.70 : x
  2. Step 2: Convert to fraction form
    9,123,640.30/13,685,460.45 = 8,981,922.70/x
  3. Step 3: Cross multiply
    9,123,640.30x = 13,685,460.45 × 8,981,922.70
  4. Step 4: Simplify right side
    9,123,640.30x = 122,921,747,875,807.20
  5. Step 5: Solve for x
    x = 122,921,747,875,807.20/9,123,640.30
  6. Step 6: Final answer
    x = 13,472,884.05

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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.