Home / 7,801,669.40-11,702,540.55-2,752,979.90

Finding the Fourth Proportional to 7,801,669.40, 11,702,540.55 and 2,752,979.90

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Solution

The fourth proportional to 7,801,669.40, 11,702,540.55 and 2,752,979.90 is: 4,129,482.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801,669.40 : 11,702,540.55 = 2,752,979.90 : x
  2. Step 2: Convert to fraction form
    7,801,669.40/11,702,540.55 = 2,752,979.90/x
  3. Step 3: Cross multiply
    7,801,669.40x = 11,702,540.55 × 2,752,979.90
  4. Step 4: Simplify right side
    7,801,669.40x = 32,216,858,913,084.95
  5. Step 5: Solve for x
    x = 32,216,858,913,084.95/7,801,669.40
  6. Step 6: Final answer
    x = 4,129,482.71

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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.