Home / 7,491,729.81-11,237,600.18-1,811,959.59

Finding the Fourth Proportional to 7,491,729.81, 11,237,600.18 and 1,811,959.59

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Solution

The fourth proportional to 7,491,729.81, 11,237,600.18 and 1,811,959.59 is: 2,717,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491,729.81 : 11,237,600.18 = 1,811,959.59 : x
  2. Step 2: Convert to fraction form
    7,491,729.81/11,237,600.18 = 1,811,959.59/x
  3. Step 3: Cross multiply
    7,491,729.81x = 11,237,600.18 × 1,811,959.59
  4. Step 4: Simplify right side
    7,491,729.81x = 20,362,077,419,266.62
  5. Step 5: Solve for x
    x = 20,362,077,419,266.62/7,491,729.81
  6. Step 6: Final answer
    x = 2,717,940.71

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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.