Home / 10,230,057.40-15,382,410.90-8,587,766.20

Finding the Fourth Proportional to 10,230,057.40, 15,382,410.90 and 8,587,766.20

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Solution

The fourth proportional to 10,230,057.40, 15,382,410.90 and 8,587,766.20 is: 12,912,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230,057.40 : 15,382,410.90 = 8,587,766.20 : x
  2. Step 2: Convert to fraction form
    10,230,057.40/15,382,410.90 = 8,587,766.20/x
  3. Step 3: Cross multiply
    10,230,057.40x = 15,382,410.90 × 8,587,766.20
  4. Step 4: Simplify right side
    10,230,057.40x = 132,100,548,401,531.58
  5. Step 5: Solve for x
    x = 132,100,548,401,531.58/10,230,057.40
  6. Step 6: Final answer
    x = 12,912,982.13

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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.