Home / 15,134,144.22-20,885,560.29-8,259,069.15

Finding the Fourth Proportional to 15,134,144.22, 20,885,560.29 and 8,259,069.15

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Solution

The fourth proportional to 15,134,144.22, 20,885,560.29 and 8,259,069.15 is: 11,397,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,144.22 : 20,885,560.29 = 8,259,069.15 : x
  2. Step 2: Convert to fraction form
    15,134,144.22/20,885,560.29 = 8,259,069.15/x
  3. Step 3: Cross multiply
    15,134,144.22x = 20,885,560.29 × 8,259,069.15
  4. Step 4: Simplify right side
    15,134,144.22x = 172,495,286,671,604.06
  5. Step 5: Solve for x
    x = 172,495,286,671,604.06/15,134,144.22
  6. Step 6: Final answer
    x = 11,397,756.24

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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.