Home / 16,859,028.80-25,288,543.20-12,607,500.80

Finding the Fourth Proportional to 16,859,028.80, 25,288,543.20 and 12,607,500.80

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Solution

The fourth proportional to 16,859,028.80, 25,288,543.20 and 12,607,500.80 is: 18,911,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859,028.80 : 25,288,543.20 = 12,607,500.80 : x
  2. Step 2: Convert to fraction form
    16,859,028.80/25,288,543.20 = 12,607,500.80/x
  3. Step 3: Cross multiply
    16,859,028.80x = 25,288,543.20 × 12,607,500.80
  4. Step 4: Simplify right side
    16,859,028.80x = 318,825,328,624,834.56
  5. Step 5: Solve for x
    x = 318,825,328,624,834.56/16,859,028.80
  6. Step 6: Final answer
    x = 18,911,251.20

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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.