Home / 18,665,371.20-25,758,206.40-10,080,667.20

Finding the Fourth Proportional to 18,665,371.20, 25,758,206.40 and 10,080,667.20

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Solution

The fourth proportional to 18,665,371.20, 25,758,206.40 and 10,080,667.20 is: 13,911,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665,371.20 : 25,758,206.40 = 10,080,667.20 : x
  2. Step 2: Convert to fraction form
    18,665,371.20/25,758,206.40 = 10,080,667.20/x
  3. Step 3: Cross multiply
    18,665,371.20x = 25,758,206.40 × 10,080,667.20
  4. Step 4: Simplify right side
    18,665,371.20x = 259,659,906,387,310.03
  5. Step 5: Solve for x
    x = 259,659,906,387,310.03/18,665,371.20
  6. Step 6: Final answer
    x = 13,911,317.57

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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.