Home / 10,366,571.55-15,549,857.33-7,138,067.48

Finding the Fourth Proportional to 10,366,571.55, 15,549,857.33 and 7,138,067.48

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Solution

The fourth proportional to 10,366,571.55, 15,549,857.33 and 7,138,067.48 is: 10,707,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,571.55 : 15,549,857.33 = 7,138,067.48 : x
  2. Step 2: Convert to fraction form
    10,366,571.55/15,549,857.33 = 7,138,067.48/x
  3. Step 3: Cross multiply
    10,366,571.55x = 15,549,857.33 × 7,138,067.48
  4. Step 4: Simplify right side
    10,366,571.55x = 110,995,930,812,473
  5. Step 5: Solve for x
    x = 110,995,930,812,473/10,366,571.55
  6. Step 6: Final answer
    x = 10,707,101.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.