Home / 7,432,972.80-11,149,459.20-5,543,404.80

Finding the Fourth Proportional to 7,432,972.80, 11,149,459.20 and 5,543,404.80

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Solution

The fourth proportional to 7,432,972.80, 11,149,459.20 and 5,543,404.80 is: 8,315,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432,972.80 : 11,149,459.20 = 5,543,404.80 : x
  2. Step 2: Convert to fraction form
    7,432,972.80/11,149,459.20 = 5,543,404.80/x
  3. Step 3: Cross multiply
    7,432,972.80x = 11,149,459.20 × 5,543,404.80
  4. Step 4: Simplify right side
    7,432,972.80x = 61,805,965,646,684.16
  5. Step 5: Solve for x
    x = 61,805,965,646,684.16/7,432,972.80
  6. Step 6: Final answer
    x = 8,315,107.20

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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.