Home / 18,098,309.04-27,147,468.96-5,318,813.76

Finding the Fourth Proportional to 18,098,309.04, 27,147,468.96 and 5,318,813.76

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Solution

The fourth proportional to 18,098,309.04, 27,147,468.96 and 5,318,813.76 is: 7,978,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,098,309.04 : 27,147,468.96 = 5,318,813.76 : x
  2. Step 2: Convert to fraction form
    18,098,309.04/27,147,468.96 = 5,318,813.76/x
  3. Step 3: Cross multiply
    18,098,309.04x = 27,147,468.96 × 5,318,813.76
  4. Step 4: Simplify right side
    18,098,309.04x = 144,392,331,453,620.88
  5. Step 5: Solve for x
    x = 144,392,331,453,620.88/18,098,309.04
  6. Step 6: Final answer
    x = 7,978,222.23

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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.