Home / 7,328,131.80-10,992,197.70-5,509,422.60

Finding the Fourth Proportional to 7,328,131.80, 10,992,197.70 and 5,509,422.60

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Solution

The fourth proportional to 7,328,131.80, 10,992,197.70 and 5,509,422.60 is: 8,264,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,131.80 : 10,992,197.70 = 5,509,422.60 : x
  2. Step 2: Convert to fraction form
    7,328,131.80/10,992,197.70 = 5,509,422.60/x
  3. Step 3: Cross multiply
    7,328,131.80x = 10,992,197.70 × 5,509,422.60
  4. Step 4: Simplify right side
    7,328,131.80x = 60,560,662,432,048.02
  5. Step 5: Solve for x
    x = 60,560,662,432,048.02/7,328,131.80
  6. Step 6: Final answer
    x = 8,264,133.90

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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.