Home / 13,729,698.82-18,945,732.14-8,146,983.38

Finding the Fourth Proportional to 13,729,698.82, 18,945,732.14 and 8,146,983.38

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Solution

The fourth proportional to 13,729,698.82, 18,945,732.14 and 8,146,983.38 is: 11,242,094.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729,698.82 : 18,945,732.14 = 8,146,983.38 : x
  2. Step 2: Convert to fraction form
    13,729,698.82/18,945,732.14 = 8,146,983.38/x
  3. Step 3: Cross multiply
    13,729,698.82x = 18,945,732.14 × 8,146,983.38
  4. Step 4: Simplify right side
    13,729,698.82x = 154,350,564,937,558.34
  5. Step 5: Solve for x
    x = 154,350,564,937,558.34/13,729,698.82
  6. Step 6: Final answer
    x = 11,242,094.02

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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.