Home / 12,380,207.27-18,571,164.23-5,184,496.13

Finding the Fourth Proportional to 12,380,207.27, 18,571,164.23 and 5,184,496.13

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Solution

The fourth proportional to 12,380,207.27, 18,571,164.23 and 5,184,496.13 is: 7,777,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380,207.27 : 18,571,164.23 = 5,184,496.13 : x
  2. Step 2: Convert to fraction form
    12,380,207.27/18,571,164.23 = 5,184,496.13/x
  3. Step 3: Cross multiply
    12,380,207.27x = 18,571,164.23 × 5,184,496.13
  4. Step 4: Simplify right side
    12,380,207.27x = 96,282,129,000,134.86
  5. Step 5: Solve for x
    x = 96,282,129,000,134.86/12,380,207.27
  6. Step 6: Final answer
    x = 7,777,101.54

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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.