Home / 20,658,046.43-30,951,159.10-14,496,961.25

Finding the Fourth Proportional to 20,658,046.43, 30,951,159.10 and 14,496,961.25

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Solution

The fourth proportional to 20,658,046.43, 30,951,159.10 and 14,496,961.25 is: 21,720,241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,658,046.43 : 30,951,159.10 = 14,496,961.25 : x
  2. Step 2: Convert to fraction form
    20,658,046.43/30,951,159.10 = 14,496,961.25/x
  3. Step 3: Cross multiply
    20,658,046.43x = 30,951,159.10 × 14,496,961.25
  4. Step 4: Simplify right side
    20,658,046.43x = 448,697,754,156,420.38
  5. Step 5: Solve for x
    x = 448,697,754,156,420.38/20,658,046.43
  6. Step 6: Final answer
    x = 21,720,241.34

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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.