Home / 12,472,339.80-18,694,512.90-7,083,571.80

Finding the Fourth Proportional to 12,472,339.80, 18,694,512.90 and 7,083,571.80

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Solution

The fourth proportional to 12,472,339.80, 18,694,512.90 and 7,083,571.80 is: 10,617,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,339.80 : 18,694,512.90 = 7,083,571.80 : x
  2. Step 2: Convert to fraction form
    12,472,339.80/18,694,512.90 = 7,083,571.80/x
  3. Step 3: Cross multiply
    12,472,339.80x = 18,694,512.90 × 7,083,571.80
  4. Step 4: Simplify right side
    12,472,339.80x = 132,423,924,393,176.20
  5. Step 5: Solve for x
    x = 132,423,924,393,176.20/12,472,339.80
  6. Step 6: Final answer
    x = 10,617,408.32

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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.