Home / 13,361,292.80-20,041,939.20-11,846,685.95

Finding the Fourth Proportional to 13,361,292.80, 20,041,939.20 and 11,846,685.95

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Solution

The fourth proportional to 13,361,292.80, 20,041,939.20 and 11,846,685.95 is: 17,770,028.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,292.80 : 20,041,939.20 = 11,846,685.95 : x
  2. Step 2: Convert to fraction form
    13,361,292.80/20,041,939.20 = 11,846,685.95/x
  3. Step 3: Cross multiply
    13,361,292.80x = 20,041,939.20 × 11,846,685.95
  4. Step 4: Simplify right side
    13,361,292.80x = 237,430,559,531,394.22
  5. Step 5: Solve for x
    x = 237,430,559,531,394.22/13,361,292.80
  6. Step 6: Final answer
    x = 17,770,028.93

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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.