Home / 18,146,121.60-27,219,182.40-6,784,219.20

Finding the Fourth Proportional to 18,146,121.60, 27,219,182.40 and 6,784,219.20

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Solution

The fourth proportional to 18,146,121.60, 27,219,182.40 and 6,784,219.20 is: 10,176,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,121.60 : 27,219,182.40 = 6,784,219.20 : x
  2. Step 2: Convert to fraction form
    18,146,121.60/27,219,182.40 = 6,784,219.20/x
  3. Step 3: Cross multiply
    18,146,121.60x = 27,219,182.40 × 6,784,219.20
  4. Step 4: Simplify right side
    18,146,121.60x = 184,660,899,846,382.06
  5. Step 5: Solve for x
    x = 184,660,899,846,382.06/18,146,121.60
  6. Step 6: Final answer
    x = 10,176,328.80

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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.