Home / 15,858,329.22-21,882,739.23-8,793,744.84

Finding the Fourth Proportional to 15,858,329.22, 21,882,739.23 and 8,793,744.84

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Solution

The fourth proportional to 15,858,329.22, 21,882,739.23 and 8,793,744.84 is: 12,134,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858,329.22 : 21,882,739.23 = 8,793,744.84 : x
  2. Step 2: Convert to fraction form
    15,858,329.22/21,882,739.23 = 8,793,744.84/x
  3. Step 3: Cross multiply
    15,858,329.22x = 21,882,739.23 × 8,793,744.84
  4. Step 4: Simplify right side
    15,858,329.22x = 192,431,225,188,878.06
  5. Step 5: Solve for x
    x = 192,431,225,188,878.06/15,858,329.22
  6. Step 6: Final answer
    x = 12,134,394.65

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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.