Home / 18,468,043.20-27,702,064.80-18,090,129.60

Finding the Fourth Proportional to 18,468,043.20, 27,702,064.80 and 18,090,129.60

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Solution

The fourth proportional to 18,468,043.20, 27,702,064.80 and 18,090,129.60 is: 27,135,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468,043.20 : 27,702,064.80 = 18,090,129.60 : x
  2. Step 2: Convert to fraction form
    18,468,043.20/27,702,064.80 = 18,090,129.60/x
  3. Step 3: Cross multiply
    18,468,043.20x = 27,702,064.80 × 18,090,129.60
  4. Step 4: Simplify right side
    18,468,043.20x = 501,133,942,419,598.12
  5. Step 5: Solve for x
    x = 501,133,942,419,598.12/18,468,043.20
  6. Step 6: Final answer
    x = 27,135,194.40

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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.