Home / 5,465,863.20-8,198,794.80-5,055,290.40

Finding the Fourth Proportional to 5,465,863.20, 8,198,794.80 and 5,055,290.40

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Solution

The fourth proportional to 5,465,863.20, 8,198,794.80 and 5,055,290.40 is: 7,582,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465,863.20 : 8,198,794.80 = 5,055,290.40 : x
  2. Step 2: Convert to fraction form
    5,465,863.20/8,198,794.80 = 5,055,290.40/x
  3. Step 3: Cross multiply
    5,465,863.20x = 8,198,794.80 × 5,055,290.40
  4. Step 4: Simplify right side
    5,465,863.20x = 41,447,288,644,009.92
  5. Step 5: Solve for x
    x = 41,447,288,644,009.92/5,465,863.20
  6. Step 6: Final answer
    x = 7,582,935.60

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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.