Home / 12,659,611.11-18,989,416.89-3,074,925.04

Finding the Fourth Proportional to 12,659,611.11, 18,989,416.89 and 3,074,925.04

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Solution

The fourth proportional to 12,659,611.11, 18,989,416.89 and 3,074,925.04 is: 4,612,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,611.11 : 18,989,416.89 = 3,074,925.04 : x
  2. Step 2: Convert to fraction form
    12,659,611.11/18,989,416.89 = 3,074,925.04/x
  3. Step 3: Cross multiply
    12,659,611.11x = 18,989,416.89 × 3,074,925.04
  4. Step 4: Simplify right side
    12,659,611.11x = 58,391,033,490,059.93
  5. Step 5: Solve for x
    x = 58,391,033,490,059.93/12,659,611.11
  6. Step 6: Final answer
    x = 4,612,387.61

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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.