Home / 18,336,999.72-25,305,209.54-11,465,465.16

Finding the Fourth Proportional to 18,336,999.72, 25,305,209.54 and 11,465,465.16

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Solution

The fourth proportional to 18,336,999.72, 25,305,209.54 and 11,465,465.16 is: 15,822,435.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336,999.72 : 25,305,209.54 = 11,465,465.16 : x
  2. Step 2: Convert to fraction form
    18,336,999.72/25,305,209.54 = 11,465,465.16/x
  3. Step 3: Cross multiply
    18,336,999.72x = 25,305,209.54 × 11,465,465.16
  4. Step 4: Simplify right side
    18,336,999.72x = 290,135,998,347,369.62
  5. Step 5: Solve for x
    x = 290,135,998,347,369.62/18,336,999.72
  6. Step 6: Final answer
    x = 15,822,435.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.