Home / 9,163,986.40-13,745,979.60-9,107,999.20

Finding the Fourth Proportional to 9,163,986.40, 13,745,979.60 and 9,107,999.20

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Solution

The fourth proportional to 9,163,986.40, 13,745,979.60 and 9,107,999.20 is: 13,661,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163,986.40 : 13,745,979.60 = 9,107,999.20 : x
  2. Step 2: Convert to fraction form
    9,163,986.40/13,745,979.60 = 9,107,999.20/x
  3. Step 3: Cross multiply
    9,163,986.40x = 13,745,979.60 × 9,107,999.20
  4. Step 4: Simplify right side
    9,163,986.40x = 125,198,371,200,016.31
  5. Step 5: Solve for x
    x = 125,198,371,200,016.31/9,163,986.40
  6. Step 6: Final answer
    x = 13,661,998.80

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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.