Home / 7,644,007.20-11,466,010.80-7,059,422.10

Finding the Fourth Proportional to 7,644,007.20, 11,466,010.80 and 7,059,422.10

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Solution

The fourth proportional to 7,644,007.20, 11,466,010.80 and 7,059,422.10 is: 10,589,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644,007.20 : 11,466,010.80 = 7,059,422.10 : x
  2. Step 2: Convert to fraction form
    7,644,007.20/11,466,010.80 = 7,059,422.10/x
  3. Step 3: Cross multiply
    7,644,007.20x = 11,466,010.80 × 7,059,422.10
  4. Step 4: Simplify right side
    7,644,007.20x = 80,943,410,040,358.69
  5. Step 5: Solve for x
    x = 80,943,410,040,358.69/7,644,007.20
  6. Step 6: Final answer
    x = 10,589,133.15

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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.