Home / 9,287,160.32-12,815,578.14-5,211,992

Finding the Fourth Proportional to 9,287,160.32, 12,815,578.14 and 5,211,992

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Solution

The fourth proportional to 9,287,160.32, 12,815,578.14 and 5,211,992 is: 7,192,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287,160.32 : 12,815,578.14 = 5,211,992 : x
  2. Step 2: Convert to fraction form
    9,287,160.32/12,815,578.14 = 5,211,992/x
  3. Step 3: Cross multiply
    9,287,160.32x = 12,815,578.14 × 5,211,992
  4. Step 4: Simplify right side
    9,287,160.32x = 66,794,690,741,054.88
  5. Step 5: Solve for x
    x = 66,794,690,741,054.88/9,287,160.32
  6. Step 6: Final answer
    x = 7,192,154.38

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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.