Home / 39,841,651.72-54,980,920.49-22,201,297.78

Finding the Fourth Proportional to 39,841,651.72, 54,980,920.49 and 22,201,297.78

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Solution

The fourth proportional to 39,841,651.72, 54,980,920.49 and 22,201,297.78 is: 30,637,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,841,651.72 : 54,980,920.49 = 22,201,297.78 : x
  2. Step 2: Convert to fraction form
    39,841,651.72/54,980,920.49 = 22,201,297.78/x
  3. Step 3: Cross multiply
    39,841,651.72x = 54,980,920.49 × 22,201,297.78
  4. Step 4: Simplify right side
    39,841,651.72x = 1,220,647,788,072,496.75
  5. Step 5: Solve for x
    x = 1,220,647,788,072,496.75/39,841,651.72
  6. Step 6: Final answer
    x = 30,637,479.50

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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.