Home / 7,988,809.80-11,976,216.30-4,795,206.60

Finding the Fourth Proportional to 7,988,809.80, 11,976,216.30 and 4,795,206.60

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Solution

The fourth proportional to 7,988,809.80, 11,976,216.30 and 4,795,206.60 is: 7,188,609.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988,809.80 : 11,976,216.30 = 4,795,206.60 : x
  2. Step 2: Convert to fraction form
    7,988,809.80/11,976,216.30 = 4,795,206.60/x
  3. Step 3: Cross multiply
    7,988,809.80x = 11,976,216.30 × 4,795,206.60
  4. Step 4: Simplify right side
    7,988,809.80x = 57,428,431,444,787.58
  5. Step 5: Solve for x
    x = 57,428,431,444,787.58/7,988,809.80
  6. Step 6: Final answer
    x = 7,188,609.18

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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.