Home / 16,520,535.88-22,798,719.23-9,078,660.57

Finding the Fourth Proportional to 16,520,535.88, 22,798,719.23 and 9,078,660.57

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Solution

The fourth proportional to 16,520,535.88, 22,798,719.23 and 9,078,660.57 is: 12,528,760.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520,535.88 : 22,798,719.23 = 9,078,660.57 : x
  2. Step 2: Convert to fraction form
    16,520,535.88/22,798,719.23 = 9,078,660.57/x
  3. Step 3: Cross multiply
    16,520,535.88x = 22,798,719.23 × 9,078,660.57
  4. Step 4: Simplify right side
    16,520,535.88x = 206,981,833,407,817.31
  5. Step 5: Solve for x
    x = 206,981,833,407,817.31/16,520,535.88
  6. Step 6: Final answer
    x = 12,528,760.26

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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.