Home / 12,305,013.12-18,457,521.60-8,048,761.92

Finding the Fourth Proportional to 12,305,013.12, 18,457,521.60 and 8,048,761.92

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Solution

The fourth proportional to 12,305,013.12, 18,457,521.60 and 8,048,761.92 is: 12,073,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305,013.12 : 18,457,521.60 = 8,048,761.92 : x
  2. Step 2: Convert to fraction form
    12,305,013.12/18,457,521.60 = 8,048,761.92/x
  3. Step 3: Cross multiply
    12,305,013.12x = 18,457,521.60 × 8,048,761.92
  4. Step 4: Simplify right side
    12,305,013.12x = 148,560,196,991,657.47
  5. Step 5: Solve for x
    x = 148,560,196,991,657.47/12,305,013.12
  6. Step 6: Final answer
    x = 12,073,144.14

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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.