Home / 13,672,319.94-18,788,890.82-13,040,052.84

Finding the Fourth Proportional to 13,672,319.94, 18,788,890.82 and 13,040,052.84

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Solution

The fourth proportional to 13,672,319.94, 18,788,890.82 and 13,040,052.84 is: 17,920,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672,319.94 : 18,788,890.82 = 13,040,052.84 : x
  2. Step 2: Convert to fraction form
    13,672,319.94/18,788,890.82 = 13,040,052.84/x
  3. Step 3: Cross multiply
    13,672,319.94x = 18,788,890.82 × 13,040,052.84
  4. Step 4: Simplify right side
    13,672,319.94x = 245,008,129,032,590.69
  5. Step 5: Solve for x
    x = 245,008,129,032,590.69/13,672,319.94
  6. Step 6: Final answer
    x = 17,920,011.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.