Home / 15,134,115.02-20,885,519.82-8,259,039.94

Finding the Fourth Proportional to 15,134,115.02, 20,885,519.82 and 8,259,039.94

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Solution

The fourth proportional to 15,134,115.02, 20,885,519.82 and 8,259,039.94 is: 11,397,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134,115.02 : 20,885,519.82 = 8,259,039.94 : x
  2. Step 2: Convert to fraction form
    15,134,115.02/20,885,519.82 = 8,259,039.94/x
  3. Step 3: Cross multiply
    15,134,115.02x = 20,885,519.82 × 8,259,039.94
  4. Step 4: Simplify right side
    15,134,115.02x = 172,494,342,361,041.62
  5. Step 5: Solve for x
    x = 172,494,342,361,041.62/15,134,115.02
  6. Step 6: Final answer
    x = 11,397,715.83

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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.