Home / 15,202,559.66-20,981,619.54-9,321,153.44

Finding the Fourth Proportional to 15,202,559.66, 20,981,619.54 and 9,321,153.44

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Solution

The fourth proportional to 15,202,559.66, 20,981,619.54 and 9,321,153.44 is: 12,864,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202,559.66 : 20,981,619.54 = 9,321,153.44 : x
  2. Step 2: Convert to fraction form
    15,202,559.66/20,981,619.54 = 9,321,153.44/x
  3. Step 3: Cross multiply
    15,202,559.66x = 20,981,619.54 × 9,321,153.44
  4. Step 4: Simplify right side
    15,202,559.66x = 195,572,895,047,134.12
  5. Step 5: Solve for x
    x = 195,572,895,047,134.12/15,202,559.66
  6. Step 6: Final answer
    x = 12,864,471.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.