Home / 11,191,338.30-16,787,007.45-7,790,115.90

Finding the Fourth Proportional to 11,191,338.30, 16,787,007.45 and 7,790,115.90

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Solution

The fourth proportional to 11,191,338.30, 16,787,007.45 and 7,790,115.90 is: 11,685,173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,338.30 : 16,787,007.45 = 7,790,115.90 : x
  2. Step 2: Convert to fraction form
    11,191,338.30/16,787,007.45 = 7,790,115.90/x
  3. Step 3: Cross multiply
    11,191,338.30x = 16,787,007.45 × 7,790,115.90
  4. Step 4: Simplify right side
    11,191,338.30x = 130,772,733,649,663.45
  5. Step 5: Solve for x
    x = 130,772,733,649,663.45/11,191,338.30
  6. Step 6: Final answer
    x = 11,685,173.85

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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.