Home / 9,073,855.20-13,610,782.80-8,381,013.60

Finding the Fourth Proportional to 9,073,855.20, 13,610,782.80 and 8,381,013.60

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Solution

The fourth proportional to 9,073,855.20, 13,610,782.80 and 8,381,013.60 is: 12,571,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,073,855.20 : 13,610,782.80 = 8,381,013.60 : x
  2. Step 2: Convert to fraction form
    9,073,855.20/13,610,782.80 = 8,381,013.60/x
  3. Step 3: Cross multiply
    9,073,855.20x = 13,610,782.80 × 8,381,013.60
  4. Step 4: Simplify right side
    9,073,855.20x = 114,072,155,753,446.08
  5. Step 5: Solve for x
    x = 114,072,155,753,446.08/9,073,855.20
  6. Step 6: Final answer
    x = 12,571,520.40

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Similar ratio
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1.5x scale

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.