Home / 8,170,672.10-12,256,008.15-2,187,040.10

Finding the Fourth Proportional to 8,170,672.10, 12,256,008.15 and 2,187,040.10

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Solution

The fourth proportional to 8,170,672.10, 12,256,008.15 and 2,187,040.10 is: 3,280,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170,672.10 : 12,256,008.15 = 2,187,040.10 : x
  2. Step 2: Convert to fraction form
    8,170,672.10/12,256,008.15 = 2,187,040.10/x
  3. Step 3: Cross multiply
    8,170,672.10x = 12,256,008.15 × 2,187,040.10
  4. Step 4: Simplify right side
    8,170,672.10x = 26,804,381,289,976.82
  5. Step 5: Solve for x
    x = 26,804,381,289,976.82/8,170,672.10
  6. Step 6: Final answer
    x = 3,280,560.15

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Similar ratio
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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.