Home / 10,147,868.90-15,220,327.11-2,957,472.17

Finding the Fourth Proportional to 10,147,868.90, 15,220,327.11 and 2,957,472.17

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Solution

The fourth proportional to 10,147,868.90, 15,220,327.11 and 2,957,472.17 is: 4,435,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147,868.90 : 15,220,327.11 = 2,957,472.17 : x
  2. Step 2: Convert to fraction form
    10,147,868.90/15,220,327.11 = 2,957,472.17/x
  3. Step 3: Cross multiply
    10,147,868.90x = 15,220,327.11 × 2,957,472.17
  4. Step 4: Simplify right side
    10,147,868.90x = 45,013,693,770,019.89
  5. Step 5: Solve for x
    x = 45,013,693,770,019.89/10,147,868.90
  6. Step 6: Final answer
    x = 4,435,778.02

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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.