Home / 12,098,510.10-18,147,765.15-10,456,218.90

Finding the Fourth Proportional to 12,098,510.10, 18,147,765.15 and 10,456,218.90

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Solution

The fourth proportional to 12,098,510.10, 18,147,765.15 and 10,456,218.90 is: 15,684,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,510.10 : 18,147,765.15 = 10,456,218.90 : x
  2. Step 2: Convert to fraction form
    12,098,510.10/18,147,765.15 = 10,456,218.90/x
  3. Step 3: Cross multiply
    12,098,510.10x = 18,147,765.15 × 10,456,218.90
  4. Step 4: Simplify right side
    12,098,510.10x = 189,757,004,954,191.31
  5. Step 5: Solve for x
    x = 189,757,004,954,191.31/12,098,510.10
  6. Step 6: Final answer
    x = 15,684,328.35

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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.