Home / 9,071,736.40-13,607,604.60-8,378,894.80

Finding the Fourth Proportional to 9,071,736.40, 13,607,604.60 and 8,378,894.80

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Solution

The fourth proportional to 9,071,736.40, 13,607,604.60 and 8,378,894.80 is: 12,568,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,071,736.40 : 13,607,604.60 = 8,378,894.80 : x
  2. Step 2: Convert to fraction form
    9,071,736.40/13,607,604.60 = 8,378,894.80/x
  3. Step 3: Cross multiply
    9,071,736.40x = 13,607,604.60 × 8,378,894.80
  4. Step 4: Simplify right side
    9,071,736.40x = 114,016,687,423,396.08
  5. Step 5: Solve for x
    x = 114,016,687,423,396.08/9,071,736.40
  6. Step 6: Final answer
    x = 12,568,342.20

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Double scale
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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.