Home / 13,729,710.34-18,945,747.95-8,146,994.82

Finding the Fourth Proportional to 13,729,710.34, 18,945,747.95 and 8,146,994.82

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Solution

The fourth proportional to 13,729,710.34, 18,945,747.95 and 8,146,994.82 is: 11,242,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729,710.34 : 18,945,747.95 = 8,146,994.82 : x
  2. Step 2: Convert to fraction form
    13,729,710.34/18,945,747.95 = 8,146,994.82/x
  3. Step 3: Cross multiply
    13,729,710.34x = 18,945,747.95 × 8,146,994.82
  4. Step 4: Simplify right side
    13,729,710.34x = 154,350,910,494,340.44
  5. Step 5: Solve for x
    x = 154,350,910,494,340.44/13,729,710.34
  6. Step 6: Final answer
    x = 11,242,109.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.