Home / 18,281,310.53-25,227,847.82-10,021,390.61

Finding the Fourth Proportional to 18,281,310.53, 25,227,847.82 and 10,021,390.61

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Solution

The fourth proportional to 18,281,310.53, 25,227,847.82 and 10,021,390.61 is: 13,829,321.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281,310.53 : 25,227,847.82 = 10,021,390.61 : x
  2. Step 2: Convert to fraction form
    18,281,310.53/25,227,847.82 = 10,021,390.61/x
  3. Step 3: Cross multiply
    18,281,310.53x = 25,227,847.82 × 10,021,390.61
  4. Step 4: Simplify right side
    18,281,310.53x = 252,818,117,165,733.88
  5. Step 5: Solve for x
    x = 252,818,117,165,733.88/18,281,310.53
  6. Step 6: Final answer
    x = 13,829,321.31

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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.