Home / 12,238,511.71-18,351,450.18-3,601,490.68

Finding the Fourth Proportional to 12,238,511.71, 18,351,450.18 and 3,601,490.68

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Solution

The fourth proportional to 12,238,511.71, 18,351,450.18 and 3,601,490.68 is: 5,400,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,511.71 : 18,351,450.18 = 3,601,490.68 : x
  2. Step 2: Convert to fraction form
    12,238,511.71/18,351,450.18 = 3,601,490.68/x
  3. Step 3: Cross multiply
    12,238,511.71x = 18,351,450.18 × 3,601,490.68
  4. Step 4: Simplify right side
    12,238,511.71x = 66,092,576,779,576.87
  5. Step 5: Solve for x
    x = 66,092,576,779,576.87/12,238,511.71
  6. Step 6: Final answer
    x = 5,400,376.97

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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.