Home / 12,090,052.30-18,135,078.45-9,350,178.70

Finding the Fourth Proportional to 12,090,052.30, 18,135,078.45 and 9,350,178.70

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Solution

The fourth proportional to 12,090,052.30, 18,135,078.45 and 9,350,178.70 is: 14,025,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090,052.30 : 18,135,078.45 = 9,350,178.70 : x
  2. Step 2: Convert to fraction form
    12,090,052.30/18,135,078.45 = 9,350,178.70/x
  3. Step 3: Cross multiply
    12,090,052.30x = 18,135,078.45 × 9,350,178.70
  4. Step 4: Simplify right side
    12,090,052.30x = 169,566,224,246,019
  5. Step 5: Solve for x
    x = 169,566,224,246,019/12,090,052.30
  6. Step 6: Final answer
    x = 14,025,268.05

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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.