Home / 15,034,513.41-20,747,780.69-8,159,054.85

Finding the Fourth Proportional to 15,034,513.41, 20,747,780.69 and 8,159,054.85

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Solution

The fourth proportional to 15,034,513.41, 20,747,780.69 and 8,159,054.85 is: 11,259,578.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034,513.41 : 20,747,780.69 = 8,159,054.85 : x
  2. Step 2: Convert to fraction form
    15,034,513.41/20,747,780.69 = 8,159,054.85/x
  3. Step 3: Cross multiply
    15,034,513.41x = 20,747,780.69 × 8,159,054.85
  4. Step 4: Simplify right side
    15,034,513.41x = 169,282,280,624,685.56
  5. Step 5: Solve for x
    x = 169,282,280,624,685.56/15,034,513.41
  6. Step 6: Final answer
    x = 11,259,578.28

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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.