Home / 15,661,381.40-23,492,072.10-8,486,927.90

Finding the Fourth Proportional to 15,661,381.40, 23,492,072.10 and 8,486,927.90

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Solution

The fourth proportional to 15,661,381.40, 23,492,072.10 and 8,486,927.90 is: 12,730,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,661,381.40 : 23,492,072.10 = 8,486,927.90 : x
  2. Step 2: Convert to fraction form
    15,661,381.40/23,492,072.10 = 8,486,927.90/x
  3. Step 3: Cross multiply
    15,661,381.40x = 23,492,072.10 × 8,486,927.90
  4. Step 4: Simplify right side
    15,661,381.40x = 199,375,522,134,301.62
  5. Step 5: Solve for x
    x = 199,375,522,134,301.62/15,661,381.40
  6. Step 6: Final answer
    x = 12,730,391.85

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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.