Home / 10,147,871.90-15,220,331.61-2,957,475.17

Finding the Fourth Proportional to 10,147,871.90, 15,220,331.61 and 2,957,475.17

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Solution

The fourth proportional to 10,147,871.90, 15,220,331.61 and 2,957,475.17 is: 4,435,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147,871.90 : 15,220,331.61 = 2,957,475.17 : x
  2. Step 2: Convert to fraction form
    10,147,871.90/15,220,331.61 = 2,957,475.17/x
  3. Step 3: Cross multiply
    10,147,871.90x = 15,220,331.61 × 2,957,475.17
  4. Step 4: Simplify right side
    10,147,871.90x = 45,013,752,815,741.12
  5. Step 5: Solve for x
    x = 45,013,752,815,741.12/10,147,871.90
  6. Step 6: Final answer
    x = 4,435,782.52

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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.