Home / 21,517,251.21-29,693,817.81-12,224,837.52

Finding the Fourth Proportional to 21,517,251.21, 29,693,817.81 and 12,224,837.52

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Solution

The fourth proportional to 21,517,251.21, 29,693,817.81 and 12,224,837.52 is: 16,870,282.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517,251.21 : 29,693,817.81 = 12,224,837.52 : x
  2. Step 2: Convert to fraction form
    21,517,251.21/29,693,817.81 = 12,224,837.52/x
  3. Step 3: Cross multiply
    21,517,251.21x = 29,693,817.81 × 12,224,837.52
  4. Step 4: Simplify right side
    21,517,251.21x = 363,002,098,075,732.19
  5. Step 5: Solve for x
    x = 363,002,098,075,732.19/21,517,251.21
  6. Step 6: Final answer
    x = 16,870,282.11

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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.