Home / 21,981,964.80-32,972,947.20-10,038,028.80

Finding the Fourth Proportional to 21,981,964.80, 32,972,947.20 and 10,038,028.80

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Solution

The fourth proportional to 21,981,964.80, 32,972,947.20 and 10,038,028.80 is: 15,057,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,981,964.80 : 32,972,947.20 = 10,038,028.80 : x
  2. Step 2: Convert to fraction form
    21,981,964.80/32,972,947.20 = 10,038,028.80/x
  3. Step 3: Cross multiply
    21,981,964.80x = 32,972,947.20 × 10,038,028.80
  4. Step 4: Simplify right side
    21,981,964.80x = 330,983,393,614,479.38
  5. Step 5: Solve for x
    x = 330,983,393,614,479.38/21,981,964.80
  6. Step 6: Final answer
    x = 15,057,043.20

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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.