Home / 18,234,261.60-27,351,392.40-10,255,048.80

Finding the Fourth Proportional to 18,234,261.60, 27,351,392.40 and 10,255,048.80

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Solution

The fourth proportional to 18,234,261.60, 27,351,392.40 and 10,255,048.80 is: 15,382,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234,261.60 : 27,351,392.40 = 10,255,048.80 : x
  2. Step 2: Convert to fraction form
    18,234,261.60/27,351,392.40 = 10,255,048.80/x
  3. Step 3: Cross multiply
    18,234,261.60x = 27,351,392.40 × 10,255,048.80
  4. Step 4: Simplify right side
    18,234,261.60x = 280,489,863,809,949.12
  5. Step 5: Solve for x
    x = 280,489,863,809,949.12/18,234,261.60
  6. Step 6: Final answer
    x = 15,382,573.20

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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.