Home / 12,295,846.80-18,443,770.20-11,941,552.80

Finding the Fourth Proportional to 12,295,846.80, 18,443,770.20 and 11,941,552.80

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Solution

The fourth proportional to 12,295,846.80, 18,443,770.20 and 11,941,552.80 is: 17,912,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295,846.80 : 18,443,770.20 = 11,941,552.80 : x
  2. Step 2: Convert to fraction form
    12,295,846.80/18,443,770.20 = 11,941,552.80/x
  3. Step 3: Cross multiply
    12,295,846.80x = 18,443,770.20 × 11,941,552.80
  4. Step 4: Simplify right side
    12,295,846.80x = 220,247,255,674,366.56
  5. Step 5: Solve for x
    x = 220,247,255,674,366.56/12,295,846.80
  6. Step 6: Final answer
    x = 17,912,329.20

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1.5x scale

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.