Home / 21,034,945.04-31,556,507.32-8,080,148.56

Finding the Fourth Proportional to 21,034,945.04, 31,556,507.32 and 8,080,148.56

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Solution

The fourth proportional to 21,034,945.04, 31,556,507.32 and 8,080,148.56 is: 12,121,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034,945.04 : 31,556,507.32 = 8,080,148.56 : x
  2. Step 2: Convert to fraction form
    21,034,945.04/31,556,507.32 = 8,080,148.56/x
  3. Step 3: Cross multiply
    21,034,945.04x = 31,556,507.32 × 8,080,148.56
  4. Step 4: Simplify right side
    21,034,945.04x = 254,981,267,180,327.44
  5. Step 5: Solve for x
    x = 254,981,267,180,327.44/21,034,945.04
  6. Step 6: Final answer
    x = 12,121,793.84

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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.