Home / 8,263,372.10-12,386,200.80-3,143,823.80

Finding the Fourth Proportional to 8,263,372.10, 12,386,200.80 and 3,143,823.80

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Solution

The fourth proportional to 8,263,372.10, 12,386,200.80 and 3,143,823.80 is: 4,712,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,372.10 : 12,386,200.80 = 3,143,823.80 : x
  2. Step 2: Convert to fraction form
    8,263,372.10/12,386,200.80 = 3,143,823.80/x
  3. Step 3: Cross multiply
    8,263,372.10x = 12,386,200.80 × 3,143,823.80
  4. Step 4: Simplify right side
    8,263,372.10x = 38,940,032,866,619.04
  5. Step 5: Solve for x
    x = 38,940,032,866,619.04/8,263,372.10
  6. Step 6: Final answer
    x = 4,712,365.90

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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.