Home / 23,317,821.20-34,976,731.80-20,861,382.80

Finding the Fourth Proportional to 23,317,821.20, 34,976,731.80 and 20,861,382.80

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Solution

The fourth proportional to 23,317,821.20, 34,976,731.80 and 20,861,382.80 is: 31,292,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,317,821.20 : 34,976,731.80 = 20,861,382.80 : x
  2. Step 2: Convert to fraction form
    23,317,821.20/34,976,731.80 = 20,861,382.80/x
  3. Step 3: Cross multiply
    23,317,821.20x = 34,976,731.80 × 20,861,382.80
  4. Step 4: Simplify right side
    23,317,821.20x = 729,662,991,172,733
  5. Step 5: Solve for x
    x = 729,662,991,172,733/23,317,821.20
  6. Step 6: Final answer
    x = 31,292,074.20

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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.