Home / 18,145,810.80-27,218,716.20-16,760,127.60

Finding the Fourth Proportional to 18,145,810.80, 27,218,716.20 and 16,760,127.60

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Solution

The fourth proportional to 18,145,810.80, 27,218,716.20 and 16,760,127.60 is: 25,140,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,810.80 : 27,218,716.20 = 16,760,127.60 : x
  2. Step 2: Convert to fraction form
    18,145,810.80/27,218,716.20 = 16,760,127.60/x
  3. Step 3: Cross multiply
    18,145,810.80x = 27,218,716.20 × 16,760,127.60
  4. Step 4: Simplify right side
    18,145,810.80x = 456,189,156,620,187.12
  5. Step 5: Solve for x
    x = 456,189,156,620,187.12/18,145,810.80
  6. Step 6: Final answer
    x = 25,140,191.40

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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.