Home / 13,227,747.11-19,833,897.82-5,131,261.70

Finding the Fourth Proportional to 13,227,747.11, 19,833,897.82 and 5,131,261.70

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Solution

The fourth proportional to 13,227,747.11, 19,833,897.82 and 5,131,261.70 is: 7,693,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227,747.11 : 19,833,897.82 = 5,131,261.70 : x
  2. Step 2: Convert to fraction form
    13,227,747.11/19,833,897.82 = 5,131,261.70/x
  3. Step 3: Cross multiply
    13,227,747.11x = 19,833,897.82 × 5,131,261.70
  4. Step 4: Simplify right side
    13,227,747.11x = 101,772,920,245,479.50
  5. Step 5: Solve for x
    x = 101,772,920,245,479.50/13,227,747.11
  6. Step 6: Final answer
    x = 7,693,896.73

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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.