Home / 8,263,371.60-12,386,200.05-3,143,823.30

Finding the Fourth Proportional to 8,263,371.60, 12,386,200.05 and 3,143,823.30

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Solution

The fourth proportional to 8,263,371.60, 12,386,200.05 and 3,143,823.30 is: 4,712,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,371.60 : 12,386,200.05 = 3,143,823.30 : x
  2. Step 2: Convert to fraction form
    8,263,371.60/12,386,200.05 = 3,143,823.30/x
  3. Step 3: Cross multiply
    8,263,371.60x = 12,386,200.05 × 3,143,823.30
  4. Step 4: Simplify right side
    8,263,371.60x = 38,940,024,315,651.16
  5. Step 5: Solve for x
    x = 38,940,024,315,651.16/8,263,371.60
  6. Step 6: Final answer
    x = 4,712,365.15

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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.