Home / 12,003,659.58-18,005,462.64-9,275,174.40

Finding the Fourth Proportional to 12,003,659.58, 18,005,462.64 and 9,275,174.40

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Solution

The fourth proportional to 12,003,659.58, 18,005,462.64 and 9,275,174.40 is: 13,912,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003,659.58 : 18,005,462.64 = 9,275,174.40 : x
  2. Step 2: Convert to fraction form
    12,003,659.58/18,005,462.64 = 9,275,174.40/x
  3. Step 3: Cross multiply
    12,003,659.58x = 18,005,462.64 × 9,275,174.40
  4. Step 4: Simplify right side
    12,003,659.58x = 167,003,806,138,684.44
  5. Step 5: Solve for x
    x = 167,003,806,138,684.44/12,003,659.58
  6. Step 6: Final answer
    x = 13,912,740.95

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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.