Home / 15,214,755.44-20,996,870.28-8,339,255.12

Finding the Fourth Proportional to 15,214,755.44, 20,996,870.28 and 8,339,255.12

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Solution

The fourth proportional to 15,214,755.44, 20,996,870.28 and 8,339,255.12 is: 11,508,450.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214,755.44 : 20,996,870.28 = 8,339,255.12 : x
  2. Step 2: Convert to fraction form
    15,214,755.44/20,996,870.28 = 8,339,255.12/x
  3. Step 3: Cross multiply
    15,214,755.44x = 20,996,870.28 × 8,339,255.12
  4. Step 4: Simplify right side
    15,214,755.44x = 175,098,257,986,465.84
  5. Step 5: Solve for x
    x = 175,098,257,986,465.84/15,214,755.44
  6. Step 6: Final answer
    x = 11,508,450.38

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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.