Home / 20,235,968.60-30,343,455.30-7,449,891.80

Finding the Fourth Proportional to 20,235,968.60, 30,343,455.30 and 7,449,891.80

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Solution

The fourth proportional to 20,235,968.60, 30,343,455.30 and 7,449,891.80 is: 11,170,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235,968.60 : 30,343,455.30 = 7,449,891.80 : x
  2. Step 2: Convert to fraction form
    20,235,968.60/30,343,455.30 = 7,449,891.80/x
  3. Step 3: Cross multiply
    20,235,968.60x = 30,343,455.30 × 7,449,891.80
  4. Step 4: Simplify right side
    20,235,968.60x = 226,055,458,823,136.53
  5. Step 5: Solve for x
    x = 226,055,458,823,136.53/20,235,968.60
  6. Step 6: Final answer
    x = 11,170,973.00

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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.