Home / 8,129,912.61-12,201,578.15-4,087,549.29

Finding the Fourth Proportional to 8,129,912.61, 12,201,578.15 and 4,087,549.29

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Solution

The fourth proportional to 8,129,912.61, 12,201,578.15 and 4,087,549.29 is: 6,134,697.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,912.61 : 12,201,578.15 = 4,087,549.29 : x
  2. Step 2: Convert to fraction form
    8,129,912.61/12,201,578.15 = 4,087,549.29/x
  3. Step 3: Cross multiply
    8,129,912.61x = 12,201,578.15 × 4,087,549.29
  4. Step 4: Simplify right side
    8,129,912.61x = 49,874,552,083,474.27
  5. Step 5: Solve for x
    x = 49,874,552,083,474.27/8,129,912.61
  6. Step 6: Final answer
    x = 6,134,697.19

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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.