Home / 8,857,815.60-13,286,723.40-4,378,839.60

Finding the Fourth Proportional to 8,857,815.60, 13,286,723.40 and 4,378,839.60

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Solution

The fourth proportional to 8,857,815.60, 13,286,723.40 and 4,378,839.60 is: 6,568,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,815.60 : 13,286,723.40 = 4,378,839.60 : x
  2. Step 2: Convert to fraction form
    8,857,815.60/13,286,723.40 = 4,378,839.60/x
  3. Step 3: Cross multiply
    8,857,815.60x = 13,286,723.40 × 4,378,839.60
  4. Step 4: Simplify right side
    8,857,815.60x = 58,180,430,578,166.63
  5. Step 5: Solve for x
    x = 58,180,430,578,166.63/8,857,815.60
  6. Step 6: Final answer
    x = 6,568,259.40

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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.