Home / 39,192,813.67-54,083,018.91-21,788,099.05

Finding the Fourth Proportional to 39,192,813.67, 54,083,018.91 and 21,788,099.05

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Solution

The fourth proportional to 39,192,813.67, 54,083,018.91 and 21,788,099.05 is: 30,065,873.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,192,813.67 : 54,083,018.91 = 21,788,099.05 : x
  2. Step 2: Convert to fraction form
    39,192,813.67/54,083,018.91 = 21,788,099.05/x
  3. Step 3: Cross multiply
    39,192,813.67x = 54,083,018.91 × 21,788,099.05
  4. Step 4: Simplify right side
    39,192,813.67x = 1,178,366,172,934,103
  5. Step 5: Solve for x
    x = 1,178,366,172,934,103/39,192,813.67
  6. Step 6: Final answer
    x = 30,065,873.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.