Home / 15,134,126.40-20,885,538.24-8,259,052.32

Finding the Fourth Proportional to 15,134,126.40, 20,885,538.24 and 8,259,052.32

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Solution

The fourth proportional to 15,134,126.40, 20,885,538.24 and 8,259,052.32 is: 11,397,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,126.40 : 20,885,538.24 = 8,259,052.32 : x
  2. Step 2: Convert to fraction form
    15,134,126.40/20,885,538.24 = 8,259,052.32/x
  3. Step 3: Cross multiply
    15,134,126.40x = 20,885,538.24 × 8,259,052.32
  4. Step 4: Simplify right side
    15,134,126.40x = 172,494,753,055,520.72
  5. Step 5: Solve for x
    x = 172,494,753,055,520.72/15,134,126.40
  6. Step 6: Final answer
    x = 11,397,734.40

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1.5x scale

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.