Home / 7,491,730.81-11,237,601.68-1,811,960.59

Finding the Fourth Proportional to 7,491,730.81, 11,237,601.68 and 1,811,960.59

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Solution

The fourth proportional to 7,491,730.81, 11,237,601.68 and 1,811,960.59 is: 2,717,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491,730.81 : 11,237,601.68 = 1,811,960.59 : x
  2. Step 2: Convert to fraction form
    7,491,730.81/11,237,601.68 = 1,811,960.59/x
  3. Step 3: Cross multiply
    7,491,730.81x = 11,237,601.68 × 1,811,960.59
  4. Step 4: Simplify right side
    7,491,730.81x = 20,362,091,370,277.79
  5. Step 5: Solve for x
    x = 20,362,091,370,277.79/7,491,730.81
  6. Step 6: Final answer
    x = 2,717,942.21

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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.