Home / 18,522,059.40-27,783,089.10-5,743,855.80

Finding the Fourth Proportional to 18,522,059.40, 27,783,089.10 and 5,743,855.80

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Solution

The fourth proportional to 18,522,059.40, 27,783,089.10 and 5,743,855.80 is: 8,615,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522,059.40 : 27,783,089.10 = 5,743,855.80 : x
  2. Step 2: Convert to fraction form
    18,522,059.40/27,783,089.10 = 5,743,855.80/x
  3. Step 3: Cross multiply
    18,522,059.40x = 27,783,089.10 × 5,743,855.80
  4. Step 4: Simplify right side
    18,522,059.40x = 159,582,057,468,951.78
  5. Step 5: Solve for x
    x = 159,582,057,468,951.78/18,522,059.40
  6. Step 6: Final answer
    x = 8,615,783.70

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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.