Home / 21,328,964.96-31,996,765.20-6,948,685.04

Finding the Fourth Proportional to 21,328,964.96, 31,996,765.20 and 6,948,685.04

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Solution

The fourth proportional to 21,328,964.96, 31,996,765.20 and 6,948,685.04 is: 10,424,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,328,964.96 : 31,996,765.20 = 6,948,685.04 : x
  2. Step 2: Convert to fraction form
    21,328,964.96/31,996,765.20 = 6,948,685.04/x
  3. Step 3: Cross multiply
    21,328,964.96x = 31,996,765.20 × 6,948,685.04
  4. Step 4: Simplify right side
    21,328,964.96x = 222,335,443,673,632.59
  5. Step 5: Solve for x
    x = 222,335,443,673,632.59/21,328,964.96
  6. Step 6: Final answer
    x = 10,424,108.44

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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.