Home / 10,651,121.40-15,976,682.10-8,950,510.20

Finding the Fourth Proportional to 10,651,121.40, 15,976,682.10 and 8,950,510.20

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Solution

The fourth proportional to 10,651,121.40, 15,976,682.10 and 8,950,510.20 is: 13,425,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651,121.40 : 15,976,682.10 = 8,950,510.20 : x
  2. Step 2: Convert to fraction form
    10,651,121.40/15,976,682.10 = 8,950,510.20/x
  3. Step 3: Cross multiply
    10,651,121.40x = 15,976,682.10 × 8,950,510.20
  4. Step 4: Simplify right side
    10,651,121.40x = 142,999,456,098,207.41
  5. Step 5: Solve for x
    x = 142,999,456,098,207.41/10,651,121.40
  6. Step 6: Final answer
    x = 13,425,765.30

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Double scale
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Similar ratio
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1.5x scale

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.