Home / 21,847,428.24-30,149,302.83-12,057,872.43

Finding the Fourth Proportional to 21,847,428.24, 30,149,302.83 and 12,057,872.43

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Solution

The fourth proportional to 21,847,428.24, 30,149,302.83 and 12,057,872.43 is: 16,639,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,847,428.24 : 30,149,302.83 = 12,057,872.43 : x
  2. Step 2: Convert to fraction form
    21,847,428.24/30,149,302.83 = 12,057,872.43/x
  3. Step 3: Cross multiply
    21,847,428.24x = 30,149,302.83 × 12,057,872.43
  4. Step 4: Simplify right side
    21,847,428.24x = 363,536,447,377,577.94
  5. Step 5: Solve for x
    x = 363,536,447,377,577.94/21,847,428.24
  6. Step 6: Final answer
    x = 16,639,782.19

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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.