Home / 19,782,704.80-29,674,057.20-17,987,615.20

Finding the Fourth Proportional to 19,782,704.80, 29,674,057.20 and 17,987,615.20

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Solution

The fourth proportional to 19,782,704.80, 29,674,057.20 and 17,987,615.20 is: 26,981,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782,704.80 : 29,674,057.20 = 17,987,615.20 : x
  2. Step 2: Convert to fraction form
    19,782,704.80/29,674,057.20 = 17,987,615.20/x
  3. Step 3: Cross multiply
    19,782,704.80x = 29,674,057.20 × 17,987,615.20
  4. Step 4: Simplify right side
    19,782,704.80x = 533,765,522,336,389.38
  5. Step 5: Solve for x
    x = 533,765,522,336,389.38/19,782,704.80
  6. Step 6: Final answer
    x = 26,981,422.80

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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.