Home / 8,309,409.20-12,462,364.20-3,517,254.80

Finding the Fourth Proportional to 8,309,409.20, 12,462,364.20 and 3,517,254.80

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Solution

The fourth proportional to 8,309,409.20, 12,462,364.20 and 3,517,254.80 is: 5,275,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,409.20 : 12,462,364.20 = 3,517,254.80 : x
  2. Step 2: Convert to fraction form
    8,309,409.20/12,462,364.20 = 3,517,254.80/x
  3. Step 3: Cross multiply
    8,309,409.20x = 12,462,364.20 × 3,517,254.80
  4. Step 4: Simplify right side
    8,309,409.20x = 43,833,310,301,798.16
  5. Step 5: Solve for x
    x = 43,833,310,301,798.16/8,309,409.20
  6. Step 6: Final answer
    x = 5,275,141.62

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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.