Home / 8,808,322.20-13,209,372.90-3,128,731.80

Finding the Fourth Proportional to 8,808,322.20, 13,209,372.90 and 3,128,731.80

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Solution

The fourth proportional to 8,808,322.20, 13,209,372.90 and 3,128,731.80 is: 4,691,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808,322.20 : 13,209,372.90 = 3,128,731.80 : x
  2. Step 2: Convert to fraction form
    8,808,322.20/13,209,372.90 = 3,128,731.80/x
  3. Step 3: Cross multiply
    8,808,322.20x = 13,209,372.90 × 3,128,731.80
  4. Step 4: Simplify right side
    8,808,322.20x = 41,328,585,050,288.22
  5. Step 5: Solve for x
    x = 41,328,585,050,288.22/8,808,322.20
  6. Step 6: Final answer
    x = 4,691,992.88

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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.