Home / 18,011,947.78-27,022,972.02-7,236,814.24

Finding the Fourth Proportional to 18,011,947.78, 27,022,972.02 and 7,236,814.24

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Solution

The fourth proportional to 18,011,947.78, 27,022,972.02 and 7,236,814.24 is: 10,857,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,011,947.78 : 27,022,972.02 = 7,236,814.24 : x
  2. Step 2: Convert to fraction form
    18,011,947.78/27,022,972.02 = 7,236,814.24/x
  3. Step 3: Cross multiply
    18,011,947.78x = 27,022,972.02 × 7,236,814.24
  4. Step 4: Simplify right side
    18,011,947.78x = 195,560,228,721,457.56
  5. Step 5: Solve for x
    x = 195,560,228,721,457.56/18,011,947.78
  6. Step 6: Final answer
    x = 10,857,250.48

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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.