Home / 8,172,024.80-12,258,037.20-3,122,679.20

Finding the Fourth Proportional to 8,172,024.80, 12,258,037.20 and 3,122,679.20

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Solution

The fourth proportional to 8,172,024.80, 12,258,037.20 and 3,122,679.20 is: 4,684,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,024.80 : 12,258,037.20 = 3,122,679.20 : x
  2. Step 2: Convert to fraction form
    8,172,024.80/12,258,037.20 = 3,122,679.20/x
  3. Step 3: Cross multiply
    8,172,024.80x = 12,258,037.20 × 3,122,679.20
  4. Step 4: Simplify right side
    8,172,024.80x = 38,277,917,797,266.24
  5. Step 5: Solve for x
    x = 38,277,917,797,266.24/8,172,024.80
  6. Step 6: Final answer
    x = 4,684,018.80

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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.