Home / 13,815,182.78-20,729,761.63-9,207,313.20

Finding the Fourth Proportional to 13,815,182.78, 20,729,761.63 and 9,207,313.20

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Solution

The fourth proportional to 13,815,182.78, 20,729,761.63 and 9,207,313.20 is: 13,815,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,182.78 : 20,729,761.63 = 9,207,313.20 : x
  2. Step 2: Convert to fraction form
    13,815,182.78/20,729,761.63 = 9,207,313.20/x
  3. Step 3: Cross multiply
    13,815,182.78x = 20,729,761.63 × 9,207,313.20
  4. Step 4: Simplify right side
    13,815,182.78x = 190,865,407,739,067.16
  5. Step 5: Solve for x
    x = 190,865,407,739,067.16/13,815,182.78
  6. Step 6: Final answer
    x = 13,815,626.68

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1.5x scale

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.