Home / 40,500,847.67-55,891,317.97-21,915,988.05

Finding the Fourth Proportional to 40,500,847.67, 55,891,317.97 and 21,915,988.05

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Solution

The fourth proportional to 40,500,847.67, 55,891,317.97 and 21,915,988.05 is: 30,244,143.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,500,847.67 : 55,891,317.97 = 21,915,988.05 : x
  2. Step 2: Convert to fraction form
    40,500,847.67/55,891,317.97 = 21,915,988.05/x
  3. Step 3: Cross multiply
    40,500,847.67x = 55,891,317.97 × 21,915,988.05
  4. Step 4: Simplify right side
    40,500,847.67x = 1,224,913,456,966,257.75
  5. Step 5: Solve for x
    x = 1,224,913,456,966,257.75/40,500,847.67
  6. Step 6: Final answer
    x = 30,244,143.71

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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.