Home / 39,450,297.50-54,436,695.59-21,806,816.69

Finding the Fourth Proportional to 39,450,297.50, 54,436,695.59 and 21,806,816.69

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Solution

The fourth proportional to 39,450,297.50, 54,436,695.59 and 21,806,816.69 is: 30,090,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450,297.50 : 54,436,695.59 = 21,806,816.69 : x
  2. Step 2: Convert to fraction form
    39,450,297.50/54,436,695.59 = 21,806,816.69/x
  3. Step 3: Cross multiply
    39,450,297.50x = 54,436,695.59 × 21,806,816.69
  4. Step 4: Simplify right side
    39,450,297.50x = 1,187,091,041,722,795
  5. Step 5: Solve for x
    x = 1,187,091,041,722,795/39,450,297.50
  6. Step 6: Final answer
    x = 30,090,800.76

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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.