Home / 13,729,710.62-18,945,748.34-8,146,995.10

Finding the Fourth Proportional to 13,729,710.62, 18,945,748.34 and 8,146,995.10

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Solution

The fourth proportional to 13,729,710.62, 18,945,748.34 and 8,146,995.10 is: 11,242,110.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729,710.62 : 18,945,748.34 = 8,146,995.10 : x
  2. Step 2: Convert to fraction form
    13,729,710.62/18,945,748.34 = 8,146,995.10/x
  3. Step 3: Cross multiply
    13,729,710.62x = 18,945,748.34 × 8,146,995.10
  4. Step 4: Simplify right side
    13,729,710.62x = 154,350,918,891,813.12
  5. Step 5: Solve for x
    x = 154,350,918,891,813.12/13,729,710.62
  6. Step 6: Final answer
    x = 11,242,110.13

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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.