Home / 8,352,016.80-12,528,025.20-7,134,295.20

Finding the Fourth Proportional to 8,352,016.80, 12,528,025.20 and 7,134,295.20

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Solution

The fourth proportional to 8,352,016.80, 12,528,025.20 and 7,134,295.20 is: 10,701,442.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352,016.80 : 12,528,025.20 = 7,134,295.20 : x
  2. Step 2: Convert to fraction form
    8,352,016.80/12,528,025.20 = 7,134,295.20/x
  3. Step 3: Cross multiply
    8,352,016.80x = 12,528,025.20 × 7,134,295.20
  4. Step 4: Simplify right side
    8,352,016.80x = 89,378,630,049,839.03
  5. Step 5: Solve for x
    x = 89,378,630,049,839.03/8,352,016.80
  6. Step 6: Final answer
    x = 10,701,442.80

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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.