Home / 21,517,253.21-29,693,820.57-12,224,839.52

Finding the Fourth Proportional to 21,517,253.21, 29,693,820.57 and 12,224,839.52

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Solution

The fourth proportional to 21,517,253.21, 29,693,820.57 and 12,224,839.52 is: 16,870,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,253.21 : 29,693,820.57 = 12,224,839.52 : x
  2. Step 2: Convert to fraction form
    21,517,253.21/29,693,820.57 = 12,224,839.52/x
  3. Step 3: Cross multiply
    21,517,253.21x = 29,693,820.57 × 12,224,839.52
  4. Step 4: Simplify right side
    21,517,253.21x = 363,002,191,203,924.94
  5. Step 5: Solve for x
    x = 363,002,191,203,924.94/21,517,253.21
  6. Step 6: Final answer
    x = 16,870,284.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.