Home / 8,391,128.50-12,593,418.78-4,348,772.02

Finding the Fourth Proportional to 8,391,128.50, 12,593,418.78 and 4,348,772.02

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Solution

The fourth proportional to 8,391,128.50, 12,593,418.78 and 4,348,772.02 is: 6,526,643.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391,128.50 : 12,593,418.78 = 4,348,772.02 : x
  2. Step 2: Convert to fraction form
    8,391,128.50/12,593,418.78 = 4,348,772.02/x
  3. Step 3: Cross multiply
    8,391,128.50x = 12,593,418.78 × 4,348,772.02
  4. Step 4: Simplify right side
    8,391,128.50x = 54,765,907,226,606.52
  5. Step 5: Solve for x
    x = 54,765,907,226,606.52/8,391,128.50
  6. Step 6: Final answer
    x = 6,526,643.85

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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.