Home / 18,145,864.80-27,218,797.20-16,760,181.60

Finding the Fourth Proportional to 18,145,864.80, 27,218,797.20 and 16,760,181.60

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Solution

The fourth proportional to 18,145,864.80, 27,218,797.20 and 16,760,181.60 is: 25,140,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,864.80 : 27,218,797.20 = 16,760,181.60 : x
  2. Step 2: Convert to fraction form
    18,145,864.80/27,218,797.20 = 16,760,181.60/x
  3. Step 3: Cross multiply
    18,145,864.80x = 27,218,797.20 × 16,760,181.60
  4. Step 4: Simplify right side
    18,145,864.80x = 456,191,984,005,571.50
  5. Step 5: Solve for x
    x = 456,191,984,005,571.50/18,145,864.80
  6. Step 6: Final answer
    x = 25,140,272.40

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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.