Home / 10,368,077.05-15,552,115.58-7,813,401.85

Finding the Fourth Proportional to 10,368,077.05, 15,552,115.58 and 7,813,401.85

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Solution

The fourth proportional to 10,368,077.05, 15,552,115.58 and 7,813,401.85 is: 11,720,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,077.05 : 15,552,115.58 = 7,813,401.85 : x
  2. Step 2: Convert to fraction form
    10,368,077.05/15,552,115.58 = 7,813,401.85/x
  3. Step 3: Cross multiply
    10,368,077.05x = 15,552,115.58 × 7,813,401.85
  4. Step 4: Simplify right side
    10,368,077.05x = 121,514,928,644,185.81
  5. Step 5: Solve for x
    x = 121,514,928,644,185.81/10,368,077.05
  6. Step 6: Final answer
    x = 11,720,102.78

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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.