Home / 40,469,770.31-60,695,957.88-12,805,880.00

Finding the Fourth Proportional to 40,469,770.31, 60,695,957.88 and 12,805,880.00

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Solution

The fourth proportional to 40,469,770.31, 60,695,957.88 and 12,805,880.00 is: 19,206,067.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,469,770.31 : 60,695,957.88 = 12,805,880.00 : x
  2. Step 2: Convert to fraction form
    40,469,770.31/60,695,957.88 = 12,805,880.00/x
  3. Step 3: Cross multiply
    40,469,770.31x = 60,695,957.88 × 12,805,880.00
  4. Step 4: Simplify right side
    40,469,770.31x = 777,265,152,792,854.62
  5. Step 5: Solve for x
    x = 777,265,152,792,854.62/40,469,770.31
  6. Step 6: Final answer
    x = 19,206,067.81

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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.