Home / 12,003,687.68-18,005,504.64-9,275,202.40

Finding the Fourth Proportional to 12,003,687.68, 18,005,504.64 and 9,275,202.40

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Solution

The fourth proportional to 12,003,687.68, 18,005,504.64 and 9,275,202.40 is: 13,912,782.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,687.68 : 18,005,504.64 = 9,275,202.40 : x
  2. Step 2: Convert to fraction form
    12,003,687.68/18,005,504.64 = 9,275,202.40/x
  3. Step 3: Cross multiply
    12,003,687.68x = 18,005,504.64 × 9,275,202.40
  4. Step 4: Simplify right side
    12,003,687.68x = 167,004,699,850,139.16
  5. Step 5: Solve for x
    x = 167,004,699,850,139.16/12,003,687.68
  6. Step 6: Final answer
    x = 13,912,782.83

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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.