Home / 15,479,338.05-23,168,482.38-11,379,573.90

Finding the Fourth Proportional to 15,479,338.05, 23,168,482.38 and 11,379,573.90

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Solution

The fourth proportional to 15,479,338.05, 23,168,482.38 and 11,379,573.90 is: 17,032,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479,338.05 : 23,168,482.38 = 11,379,573.90 : x
  2. Step 2: Convert to fraction form
    15,479,338.05/23,168,482.38 = 11,379,573.90/x
  3. Step 3: Cross multiply
    15,479,338.05x = 23,168,482.38 × 11,379,573.90
  4. Step 4: Simplify right side
    15,479,338.05x = 263,647,457,394,057.88
  5. Step 5: Solve for x
    x = 263,647,457,394,057.88/15,479,338.05
  6. Step 6: Final answer
    x = 17,032,217.82

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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.