Home / 9,179,478.80-13,769,218.20-8,266,187.60

Finding the Fourth Proportional to 9,179,478.80, 13,769,218.20 and 8,266,187.60

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Solution

The fourth proportional to 9,179,478.80, 13,769,218.20 and 8,266,187.60 is: 12,399,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179,478.80 : 13,769,218.20 = 8,266,187.60 : x
  2. Step 2: Convert to fraction form
    9,179,478.80/13,769,218.20 = 8,266,187.60/x
  3. Step 3: Cross multiply
    9,179,478.80x = 13,769,218.20 × 8,266,187.60
  4. Step 4: Simplify right side
    9,179,478.80x = 113,818,940,746,534.31
  5. Step 5: Solve for x
    x = 113,818,940,746,534.31/9,179,478.80
  6. Step 6: Final answer
    x = 12,399,281.40

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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.