Home / 20,629,549.04-30,945,351.45-7,851,044.12

Finding the Fourth Proportional to 20,629,549.04, 30,945,351.45 and 7,851,044.12

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Solution

The fourth proportional to 20,629,549.04, 30,945,351.45 and 7,851,044.12 is: 11,776,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,549.04 : 30,945,351.45 = 7,851,044.12 : x
  2. Step 2: Convert to fraction form
    20,629,549.04/30,945,351.45 = 7,851,044.12/x
  3. Step 3: Cross multiply
    20,629,549.04x = 30,945,351.45 × 7,851,044.12
  4. Step 4: Simplify right side
    20,629,549.04x = 242,953,319,542,855.97
  5. Step 5: Solve for x
    x = 242,953,319,542,855.97/20,629,549.04
  6. Step 6: Final answer
    x = 11,776,957.37

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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.