Home / 8,306,042.40-12,456,730.80-2,628,007.20

Finding the Fourth Proportional to 8,306,042.40, 12,456,730.80 and 2,628,007.20

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Solution

The fourth proportional to 8,306,042.40, 12,456,730.80 and 2,628,007.20 is: 3,941,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306,042.40 : 12,456,730.80 = 2,628,007.20 : x
  2. Step 2: Convert to fraction form
    8,306,042.40/12,456,730.80 = 2,628,007.20/x
  3. Step 3: Cross multiply
    8,306,042.40x = 12,456,730.80 × 2,628,007.20
  4. Step 4: Simplify right side
    8,306,042.40x = 32,736,378,230,861.77
  5. Step 5: Solve for x
    x = 32,736,378,230,861.77/8,306,042.40
  6. Step 6: Final answer
    x = 3,941,272.71

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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.