Home / 9,340,924.43-12,888,879.31-5,419,781.64

Finding the Fourth Proportional to 9,340,924.43, 12,888,879.31 and 5,419,781.64

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Solution

The fourth proportional to 9,340,924.43, 12,888,879.31 and 5,419,781.64 is: 7,478,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340,924.43 : 12,888,879.31 = 5,419,781.64 : x
  2. Step 2: Convert to fraction form
    9,340,924.43/12,888,879.31 = 5,419,781.64/x
  3. Step 3: Cross multiply
    9,340,924.43x = 12,888,879.31 × 5,419,781.64
  4. Step 4: Simplify right side
    9,340,924.43x = 69,854,911,479,297.70
  5. Step 5: Solve for x
    x = 69,854,911,479,297.70/9,340,924.43
  6. Step 6: Final answer
    x = 7,478,372.40

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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.