Home / 18,444,781.40-27,671,319.30-5,665,875.80

Finding the Fourth Proportional to 18,444,781.40, 27,671,319.30 and 5,665,875.80

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Solution

The fourth proportional to 18,444,781.40, 27,671,319.30 and 5,665,875.80 is: 8,500,087.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,781.40 : 27,671,319.30 = 5,665,875.80 : x
  2. Step 2: Convert to fraction form
    18,444,781.40/27,671,319.30 = 5,665,875.80/x
  3. Step 3: Cross multiply
    18,444,781.40x = 27,671,319.30 × 5,665,875.80
  4. Step 4: Simplify right side
    18,444,781.40x = 156,782,258,375,942.94
  5. Step 5: Solve for x
    x = 156,782,258,375,942.94/18,444,781.40
  6. Step 6: Final answer
    x = 8,500,087.64

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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.