Home / 12,061,106.20-18,091,659.30-11,258,039.80

Finding the Fourth Proportional to 12,061,106.20, 18,091,659.30 and 11,258,039.80

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Solution

The fourth proportional to 12,061,106.20, 18,091,659.30 and 11,258,039.80 is: 16,887,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061,106.20 : 18,091,659.30 = 11,258,039.80 : x
  2. Step 2: Convert to fraction form
    12,061,106.20/18,091,659.30 = 11,258,039.80/x
  3. Step 3: Cross multiply
    12,061,106.20x = 18,091,659.30 × 11,258,039.80
  4. Step 4: Simplify right side
    12,061,106.20x = 203,676,620,447,440.16
  5. Step 5: Solve for x
    x = 203,676,620,447,440.16/12,061,106.20
  6. Step 6: Final answer
    x = 16,887,059.70

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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.