Home / 39,450,300.62-54,436,699.90-21,806,819.81

Finding the Fourth Proportional to 39,450,300.62, 54,436,699.90 and 21,806,819.81

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Solution

The fourth proportional to 39,450,300.62, 54,436,699.90 and 21,806,819.81 is: 30,090,805.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450,300.62 : 54,436,699.90 = 21,806,819.81 : x
  2. Step 2: Convert to fraction form
    39,450,300.62/54,436,699.90 = 21,806,819.81/x
  3. Step 3: Cross multiply
    39,450,300.62x = 54,436,699.90 × 21,806,819.81
  4. Step 4: Simplify right side
    39,450,300.62x = 1,187,091,305,770,345
  5. Step 5: Solve for x
    x = 1,187,091,305,770,345/39,450,300.62
  6. Step 6: Final answer
    x = 30,090,805.07

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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.