Home / 18,281,680.75-25,228,723.08-10,132,918.75

Finding the Fourth Proportional to 18,281,680.75, 25,228,723.08 and 10,132,918.75

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Solution

The fourth proportional to 18,281,680.75, 25,228,723.08 and 10,132,918.75 is: 13,983,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281,680.75 : 25,228,723.08 = 10,132,918.75 : x
  2. Step 2: Convert to fraction form
    18,281,680.75/25,228,723.08 = 10,132,918.75/x
  3. Step 3: Cross multiply
    18,281,680.75x = 25,228,723.08 × 10,132,918.75
  4. Step 4: Simplify right side
    18,281,680.75x = 255,640,601,135,889.72
  5. Step 5: Solve for x
    x = 255,640,601,135,889.72/18,281,680.75
  6. Step 6: Final answer
    x = 13,983,429.90

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1.5x scale

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.