Home / 9,215,067.96-12,719,323.14-5,348,834.70

Finding the Fourth Proportional to 9,215,067.96, 12,719,323.14 and 5,348,834.70

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Solution

The fourth proportional to 9,215,067.96, 12,719,323.14 and 5,348,834.70 is: 7,382,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,067.96 : 12,719,323.14 = 5,348,834.70 : x
  2. Step 2: Convert to fraction form
    9,215,067.96/12,719,323.14 = 5,348,834.70/x
  3. Step 3: Cross multiply
    9,215,067.96x = 12,719,323.14 × 5,348,834.70
  4. Step 4: Simplify right side
    9,215,067.96x = 68,033,556,971,744.96
  5. Step 5: Solve for x
    x = 68,033,556,971,744.96/9,215,067.96
  6. Step 6: Final answer
    x = 7,382,860.04

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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.