Home / 18,144,512.80-27,216,769.20-9,074,586.40

Finding the Fourth Proportional to 18,144,512.80, 27,216,769.20 and 9,074,586.40

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Solution

The fourth proportional to 18,144,512.80, 27,216,769.20 and 9,074,586.40 is: 13,611,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,512.80 : 27,216,769.20 = 9,074,586.40 : x
  2. Step 2: Convert to fraction form
    18,144,512.80/27,216,769.20 = 9,074,586.40/x
  3. Step 3: Cross multiply
    18,144,512.80x = 27,216,769.20 × 9,074,586.40
  4. Step 4: Simplify right side
    18,144,512.80x = 246,980,923,634,258.88
  5. Step 5: Solve for x
    x = 246,980,923,634,258.88/18,144,512.80
  6. Step 6: Final answer
    x = 13,611,879.60

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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.