Home / 8,171,712.30-12,238,906.05-4,812,480.30

Finding the Fourth Proportional to 8,171,712.30, 12,238,906.05 and 4,812,480.30

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Solution

The fourth proportional to 8,171,712.30, 12,238,906.05 and 4,812,480.30 is: 7,207,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,712.30 : 12,238,906.05 = 4,812,480.30 : x
  2. Step 2: Convert to fraction form
    8,171,712.30/12,238,906.05 = 4,812,480.30/x
  3. Step 3: Cross multiply
    8,171,712.30x = 12,238,906.05 × 4,812,480.30
  4. Step 4: Simplify right side
    8,171,712.30x = 58,899,494,259,175.81
  5. Step 5: Solve for x
    x = 58,899,494,259,175.81/8,171,712.30
  6. Step 6: Final answer
    x = 7,207,729.80

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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.