Home / 10,269,081.54-15,381,476.82-9,665,422.56

Finding the Fourth Proportional to 10,269,081.54, 15,381,476.82 and 9,665,422.56

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Solution

The fourth proportional to 10,269,081.54, 15,381,476.82 and 9,665,422.56 is: 14,477,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269,081.54 : 15,381,476.82 = 9,665,422.56 : x
  2. Step 2: Convert to fraction form
    10,269,081.54/15,381,476.82 = 9,665,422.56/x
  3. Step 3: Cross multiply
    10,269,081.54x = 15,381,476.82 × 9,665,422.56
  4. Step 4: Simplify right side
    10,269,081.54x = 148,668,473,062,145.06
  5. Step 5: Solve for x
    x = 148,668,473,062,145.06/10,269,081.54
  6. Step 6: Final answer
    x = 14,477,290.15

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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.