Home / 12,079,715.64-18,117,234.04-4,693,750.55

Finding the Fourth Proportional to 12,079,715.64, 18,117,234.04 and 4,693,750.55

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Solution

The fourth proportional to 12,079,715.64, 18,117,234.04 and 4,693,750.55 is: 7,039,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079,715.64 : 18,117,234.04 = 4,693,750.55 : x
  2. Step 2: Convert to fraction form
    12,079,715.64/18,117,234.04 = 4,693,750.55/x
  3. Step 3: Cross multiply
    12,079,715.64x = 18,117,234.04 × 4,693,750.55
  4. Step 4: Simplify right side
    12,079,715.64x = 85,037,777,239,728.72
  5. Step 5: Solve for x
    x = 85,037,777,239,728.72/12,079,715.64
  6. Step 6: Final answer
    x = 7,039,716.81

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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.