Home / 40,465,324.38-55,842,108.25-21,880,420.05

Finding the Fourth Proportional to 40,465,324.38, 55,842,108.25 and 21,880,420.05

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Solution

The fourth proportional to 40,465,324.38, 55,842,108.25 and 21,880,420.05 is: 30,194,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,465,324.38 : 55,842,108.25 = 21,880,420.05 : x
  2. Step 2: Convert to fraction form
    40,465,324.38/55,842,108.25 = 21,880,420.05/x
  3. Step 3: Cross multiply
    40,465,324.38x = 55,842,108.25 × 21,880,420.05
  4. Step 4: Simplify right side
    40,465,324.38x = 1,221,848,784,987,570.50
  5. Step 5: Solve for x
    x = 1,221,848,784,987,570.50/40,465,324.38
  6. Step 6: Final answer
    x = 30,194,958.37

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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.