Home / 17,666,321.78-26,499,491.90-5,536,729.92

Finding the Fourth Proportional to 17,666,321.78, 26,499,491.90 and 5,536,729.92

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Solution

The fourth proportional to 17,666,321.78, 26,499,491.90 and 5,536,729.92 is: 8,305,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666,321.78 : 26,499,491.90 = 5,536,729.92 : x
  2. Step 2: Convert to fraction form
    17,666,321.78/26,499,491.90 = 5,536,729.92/x
  3. Step 3: Cross multiply
    17,666,321.78x = 26,499,491.90 × 5,536,729.92
  4. Step 4: Simplify right side
    17,666,321.78x = 146,720,529,681,369.47
  5. Step 5: Solve for x
    x = 146,720,529,681,369.47/17,666,321.78
  6. Step 6: Final answer
    x = 8,305,097.78

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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.