Home / 9,072,003.40-13,608,005.10-8,174,458.60

Finding the Fourth Proportional to 9,072,003.40, 13,608,005.10 and 8,174,458.60

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Solution

The fourth proportional to 9,072,003.40, 13,608,005.10 and 8,174,458.60 is: 12,261,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,003.40 : 13,608,005.10 = 8,174,458.60 : x
  2. Step 2: Convert to fraction form
    9,072,003.40/13,608,005.10 = 8,174,458.60/x
  3. Step 3: Cross multiply
    9,072,003.40x = 13,608,005.10 × 8,174,458.60
  4. Step 4: Simplify right side
    9,072,003.40x = 111,238,074,318,538.86
  5. Step 5: Solve for x
    x = 111,238,074,318,538.86/9,072,003.40
  6. Step 6: Final answer
    x = 12,261,687.90

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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.