Home / 20,235,968.10-30,343,454.55-7,449,891.30

Finding the Fourth Proportional to 20,235,968.10, 30,343,454.55 and 7,449,891.30

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Solution

The fourth proportional to 20,235,968.10, 30,343,454.55 and 7,449,891.30 is: 11,170,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235,968.10 : 30,343,454.55 = 7,449,891.30 : x
  2. Step 2: Convert to fraction form
    20,235,968.10/30,343,454.55 = 7,449,891.30/x
  3. Step 3: Cross multiply
    20,235,968.10x = 30,343,454.55 × 7,449,891.30
  4. Step 4: Simplify right side
    20,235,968.10x = 226,055,438,063,990.41
  5. Step 5: Solve for x
    x = 226,055,438,063,990.41/20,235,968.10
  6. Step 6: Final answer
    x = 11,170,972.25

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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.