Home / 21,723,711.12-29,975,388.82-12,554,583.12

Finding the Fourth Proportional to 21,723,711.12, 29,975,388.82 and 12,554,583.12

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Solution

The fourth proportional to 21,723,711.12, 29,975,388.82 and 12,554,583.12 is: 17,323,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723,711.12 : 29,975,388.82 = 12,554,583.12 : x
  2. Step 2: Convert to fraction form
    21,723,711.12/29,975,388.82 = 12,554,583.12/x
  3. Step 3: Cross multiply
    21,723,711.12x = 29,975,388.82 × 12,554,583.12
  4. Step 4: Simplify right side
    21,723,711.12x = 376,328,510,495,008.69
  5. Step 5: Solve for x
    x = 376,328,510,495,008.69/21,723,711.12
  6. Step 6: Final answer
    x = 17,323,398.77

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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.