Home / 16,786,312.80-25,179,469.20-12,534,784.80

Finding the Fourth Proportional to 16,786,312.80, 25,179,469.20 and 12,534,784.80

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Solution

The fourth proportional to 16,786,312.80, 25,179,469.20 and 12,534,784.80 is: 18,802,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,786,312.80 : 25,179,469.20 = 12,534,784.80 : x
  2. Step 2: Convert to fraction form
    16,786,312.80/25,179,469.20 = 12,534,784.80/x
  3. Step 3: Cross multiply
    16,786,312.80x = 25,179,469.20 × 12,534,784.80
  4. Step 4: Simplify right side
    16,786,312.80x = 315,619,227,800,228.19
  5. Step 5: Solve for x
    x = 315,619,227,800,228.19/16,786,312.80
  6. Step 6: Final answer
    x = 18,802,177.20

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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.