Home / 8,079,862.20-12,119,793.30-6,272,962.80

Finding the Fourth Proportional to 8,079,862.20, 12,119,793.30 and 6,272,962.80

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Solution

The fourth proportional to 8,079,862.20, 12,119,793.30 and 6,272,962.80 is: 9,409,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079,862.20 : 12,119,793.30 = 6,272,962.80 : x
  2. Step 2: Convert to fraction form
    8,079,862.20/12,119,793.30 = 6,272,962.80/x
  3. Step 3: Cross multiply
    8,079,862.20x = 12,119,793.30 × 6,272,962.80
  4. Step 4: Simplify right side
    8,079,862.20x = 76,027,012,514,589.25
  5. Step 5: Solve for x
    x = 76,027,012,514,589.25/8,079,862.20
  6. Step 6: Final answer
    x = 9,409,444.20

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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.