Home / 19,765,239.20-29,647,858.80-10,199,301.20

Finding the Fourth Proportional to 19,765,239.20, 29,647,858.80 and 10,199,301.20

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Solution

The fourth proportional to 19,765,239.20, 29,647,858.80 and 10,199,301.20 is: 15,298,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765,239.20 : 29,647,858.80 = 10,199,301.20 : x
  2. Step 2: Convert to fraction form
    19,765,239.20/29,647,858.80 = 10,199,301.20/x
  3. Step 3: Cross multiply
    19,765,239.20x = 29,647,858.80 × 10,199,301.20
  4. Step 4: Simplify right side
    19,765,239.20x = 302,387,441,836,270.56
  5. Step 5: Solve for x
    x = 302,387,441,836,270.56/19,765,239.20
  6. Step 6: Final answer
    x = 15,298,951.80

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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.