Home / 10,959,605.40-16,439,408.10-3,388,891.80

Finding the Fourth Proportional to 10,959,605.40, 16,439,408.10 and 3,388,891.80

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Solution

The fourth proportional to 10,959,605.40, 16,439,408.10 and 3,388,891.80 is: 5,083,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,959,605.40 : 16,439,408.10 = 3,388,891.80 : x
  2. Step 2: Convert to fraction form
    10,959,605.40/16,439,408.10 = 3,388,891.80/x
  3. Step 3: Cross multiply
    10,959,605.40x = 16,439,408.10 × 3,388,891.80
  4. Step 4: Simplify right side
    10,959,605.40x = 55,711,375,306,943.58
  5. Step 5: Solve for x
    x = 55,711,375,306,943.58/10,959,605.40
  6. Step 6: Final answer
    x = 5,083,337.70

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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.