Home / 38,469,036-53,087,269.68-21,300,733.92

Finding the Fourth Proportional to 38,469,036, 53,087,269.68 and 21,300,733.92

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Solution

The fourth proportional to 38,469,036, 53,087,269.68 and 21,300,733.92 is: 29,395,012.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,469,036 : 53,087,269.68 = 21,300,733.92 : x
  2. Step 2: Convert to fraction form
    38,469,036/53,087,269.68 = 21,300,733.92/x
  3. Step 3: Cross multiply
    38,469,036x = 53,087,269.68 × 21,300,733.92
  4. Step 4: Simplify right side
    38,469,036x = 1,130,797,805,992,963.75
  5. Step 5: Solve for x
    x = 1,130,797,805,992,963.75/38,469,036
  6. Step 6: Final answer
    x = 29,395,012.81

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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.