Home / 40,500,813.47-55,891,270.73-21,915,953.75

Finding the Fourth Proportional to 40,500,813.47, 55,891,270.73 and 21,915,953.75

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Solution

The fourth proportional to 40,500,813.47, 55,891,270.73 and 21,915,953.75 is: 30,244,096.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,500,813.47 : 55,891,270.73 = 21,915,953.75 : x
  2. Step 2: Convert to fraction form
    40,500,813.47/55,891,270.73 = 21,915,953.75/x
  3. Step 3: Cross multiply
    40,500,813.47x = 55,891,270.73 × 21,915,953.75
  4. Step 4: Simplify right side
    40,500,813.47x = 1,224,910,504,167,965
  5. Step 5: Solve for x
    x = 1,224,910,504,167,965/40,500,813.47
  6. Step 6: Final answer
    x = 30,244,096.34

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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.