Home / 13,729,666.77-18,945,687.78-8,146,951.14

Finding the Fourth Proportional to 13,729,666.77, 18,945,687.78 and 8,146,951.14

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Solution

The fourth proportional to 13,729,666.77, 18,945,687.78 and 8,146,951.14 is: 11,242,049.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729,666.77 : 18,945,687.78 = 8,146,951.14 : x
  2. Step 2: Convert to fraction form
    13,729,666.77/18,945,687.78 = 8,146,951.14/x
  3. Step 3: Cross multiply
    13,729,666.77x = 18,945,687.78 × 8,146,951.14
  4. Step 4: Simplify right side
    13,729,666.77x = 154,349,592,657,355.06
  5. Step 5: Solve for x
    x = 154,349,592,657,355.06/13,729,666.77
  6. Step 6: Final answer
    x = 11,242,049.44

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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.