Home / 8,199,052.40-12,298,578.60-8,073,081.20

Finding the Fourth Proportional to 8,199,052.40, 12,298,578.60 and 8,073,081.20

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Solution

The fourth proportional to 8,199,052.40, 12,298,578.60 and 8,073,081.20 is: 12,109,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,052.40 : 12,298,578.60 = 8,073,081.20 : x
  2. Step 2: Convert to fraction form
    8,199,052.40/12,298,578.60 = 8,073,081.20/x
  3. Step 3: Cross multiply
    8,199,052.40x = 12,298,578.60 × 8,073,081.20
  4. Step 4: Simplify right side
    8,199,052.40x = 99,287,423,682,382.31
  5. Step 5: Solve for x
    x = 99,287,423,682,382.31/8,199,052.40
  6. Step 6: Final answer
    x = 12,109,621.80

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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.