Home / 20,265,361.31-30,401,191.25-6,805,338.59

Finding the Fourth Proportional to 20,265,361.31, 30,401,191.25 and 6,805,338.59

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Solution

The fourth proportional to 20,265,361.31, 30,401,191.25 and 6,805,338.59 is: 10,209,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265,361.31 : 30,401,191.25 = 6,805,338.59 : x
  2. Step 2: Convert to fraction form
    20,265,361.31/30,401,191.25 = 6,805,338.59/x
  3. Step 3: Cross multiply
    20,265,361.31x = 30,401,191.25 × 6,805,338.59
  4. Step 4: Simplify right side
    20,265,361.31x = 206,890,400,063,091.66
  5. Step 5: Solve for x
    x = 206,890,400,063,091.66/20,265,361.31
  6. Step 6: Final answer
    x = 10,209,065.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.