Home / 8,321,200.32-12,483,344.16-2,639,889.60

Finding the Fourth Proportional to 8,321,200.32, 12,483,344.16 and 2,639,889.60

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Solution

The fourth proportional to 8,321,200.32, 12,483,344.16 and 2,639,889.60 is: 3,960,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,200.32 : 12,483,344.16 = 2,639,889.60 : x
  2. Step 2: Convert to fraction form
    8,321,200.32/12,483,344.16 = 2,639,889.60/x
  3. Step 3: Cross multiply
    8,321,200.32x = 12,483,344.16 × 2,639,889.60
  4. Step 4: Simplify right side
    8,321,200.32x = 32,954,650,421,204.74
  5. Step 5: Solve for x
    x = 32,954,650,421,204.74/8,321,200.32
  6. Step 6: Final answer
    x = 3,960,324.13

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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.