Home / 13,741,803.60-20,612,705.40-12,482,091.60

Finding the Fourth Proportional to 13,741,803.60, 20,612,705.40 and 12,482,091.60

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Solution

The fourth proportional to 13,741,803.60, 20,612,705.40 and 12,482,091.60 is: 18,723,137.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741,803.60 : 20,612,705.40 = 12,482,091.60 : x
  2. Step 2: Convert to fraction form
    13,741,803.60/20,612,705.40 = 12,482,091.60/x
  3. Step 3: Cross multiply
    13,741,803.60x = 20,612,705.40 × 12,482,091.60
  4. Step 4: Simplify right side
    13,741,803.60x = 257,289,676,926,614.62
  5. Step 5: Solve for x
    x = 257,289,676,926,614.62/13,741,803.60
  6. Step 6: Final answer
    x = 18,723,137.40

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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.