Home / 16,898,632.80-25,347,949.20-12,917,320.80

Finding the Fourth Proportional to 16,898,632.80, 25,347,949.20 and 12,917,320.80

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Solution

The fourth proportional to 16,898,632.80, 25,347,949.20 and 12,917,320.80 is: 19,375,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,898,632.80 : 25,347,949.20 = 12,917,320.80 : x
  2. Step 2: Convert to fraction form
    16,898,632.80/25,347,949.20 = 12,917,320.80/x
  3. Step 3: Cross multiply
    16,898,632.80x = 25,347,949.20 × 12,917,320.80
  4. Step 4: Simplify right side
    16,898,632.80x = 327,427,591,438,503.38
  5. Step 5: Solve for x
    x = 327,427,591,438,503.38/16,898,632.80
  6. Step 6: Final answer
    x = 19,375,981.20

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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.