Home / 8,306,081.40-12,456,789.30-2,628,046.20

Finding the Fourth Proportional to 8,306,081.40, 12,456,789.30 and 2,628,046.20

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Solution

The fourth proportional to 8,306,081.40, 12,456,789.30 and 2,628,046.20 is: 3,941,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,081.40 : 12,456,789.30 = 2,628,046.20 : x
  2. Step 2: Convert to fraction form
    8,306,081.40/12,456,789.30 = 2,628,046.20/x
  3. Step 3: Cross multiply
    8,306,081.40x = 12,456,789.30 × 2,628,046.20
  4. Step 4: Simplify right side
    8,306,081.40x = 32,737,017,784,065.66
  5. Step 5: Solve for x
    x = 32,737,017,784,065.66/8,306,081.40
  6. Step 6: Final answer
    x = 3,941,331.20

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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.