Home / 12,393,601.20-18,590,401.80-11,543,295.60

Finding the Fourth Proportional to 12,393,601.20, 18,590,401.80 and 11,543,295.60

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Solution

The fourth proportional to 12,393,601.20, 18,590,401.80 and 11,543,295.60 is: 17,314,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,601.20 : 18,590,401.80 = 11,543,295.60 : x
  2. Step 2: Convert to fraction form
    12,393,601.20/18,590,401.80 = 11,543,295.60/x
  3. Step 3: Cross multiply
    12,393,601.20x = 18,590,401.80 × 11,543,295.60
  4. Step 4: Simplify right side
    12,393,601.20x = 214,594,503,300,172.09
  5. Step 5: Solve for x
    x = 214,594,503,300,172.09/12,393,601.20
  6. Step 6: Final answer
    x = 17,314,943.40

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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.