Home / 18,380,302.97-25,364,604.08-10,120,189.86

Finding the Fourth Proportional to 18,380,302.97, 25,364,604.08 and 10,120,189.86

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Solution

The fourth proportional to 18,380,302.97, 25,364,604.08 and 10,120,189.86 is: 13,965,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380,302.97 : 25,364,604.08 = 10,120,189.86 : x
  2. Step 2: Convert to fraction form
    18,380,302.97/25,364,604.08 = 10,120,189.86/x
  3. Step 3: Cross multiply
    18,380,302.97x = 25,364,604.08 × 10,120,189.86
  4. Step 4: Simplify right side
    18,380,302.97x = 256,694,609,038,631.09
  5. Step 5: Solve for x
    x = 256,694,609,038,631.09/18,380,302.97
  6. Step 6: Final answer
    x = 13,965,744.17

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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.