Home / 19,765,247.20-29,647,870.80-10,199,309.20

Finding the Fourth Proportional to 19,765,247.20, 29,647,870.80 and 10,199,309.20

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Solution

The fourth proportional to 19,765,247.20, 29,647,870.80 and 10,199,309.20 is: 15,298,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765,247.20 : 29,647,870.80 = 10,199,309.20 : x
  2. Step 2: Convert to fraction form
    19,765,247.20/29,647,870.80 = 10,199,309.20/x
  3. Step 3: Cross multiply
    19,765,247.20x = 29,647,870.80 × 10,199,309.20
  4. Step 4: Simplify right side
    19,765,247.20x = 302,387,801,410,851.38
  5. Step 5: Solve for x
    x = 302,387,801,410,851.38/19,765,247.20
  6. Step 6: Final answer
    x = 15,298,963.80

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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.