Home / 15,787,820.16-23,691,177.92-6,812,372.16

Finding the Fourth Proportional to 15,787,820.16, 23,691,177.92 and 6,812,372.16

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Solution

The fourth proportional to 15,787,820.16, 23,691,177.92 and 6,812,372.16 is: 10,222,634.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787,820.16 : 23,691,177.92 = 6,812,372.16 : x
  2. Step 2: Convert to fraction form
    15,787,820.16/23,691,177.92 = 6,812,372.16/x
  3. Step 3: Cross multiply
    15,787,820.16x = 23,691,177.92 × 6,812,372.16
  4. Step 4: Simplify right side
    15,787,820.16x = 161,393,120,899,814.72
  5. Step 5: Solve for x
    x = 161,393,120,899,814.72/15,787,820.16
  6. Step 6: Final answer
    x = 10,222,634.87

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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.