Home / 18,654,709.90-25,743,237.98-10,395,120.31

Finding the Fourth Proportional to 18,654,709.90, 25,743,237.98 and 10,395,120.31

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Solution

The fourth proportional to 18,654,709.90, 25,743,237.98 and 10,395,120.31 is: 14,345,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654,709.90 : 25,743,237.98 = 10,395,120.31 : x
  2. Step 2: Convert to fraction form
    18,654,709.90/25,743,237.98 = 10,395,120.31/x
  3. Step 3: Cross multiply
    18,654,709.90x = 25,743,237.98 × 10,395,120.31
  4. Step 4: Simplify right side
    18,654,709.90x = 267,604,055,847,763.75
  5. Step 5: Solve for x
    x = 267,604,055,847,763.75/18,654,709.90
  6. Step 6: Final answer
    x = 14,345,120.20

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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.