Home / 30,570,489.11-45,838,150.16-18,286,722.47

Finding the Fourth Proportional to 30,570,489.11, 45,838,150.16 and 18,286,722.47

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Solution

The fourth proportional to 30,570,489.11, 45,838,150.16 and 18,286,722.47 is: 27,419,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,570,489.11 : 45,838,150.16 = 18,286,722.47 : x
  2. Step 2: Convert to fraction form
    30,570,489.11/45,838,150.16 = 18,286,722.47/x
  3. Step 3: Cross multiply
    30,570,489.11x = 45,838,150.16 × 18,286,722.47
  4. Step 4: Simplify right side
    30,570,489.11x = 838,229,530,193,481.75
  5. Step 5: Solve for x
    x = 838,229,530,193,481.75/30,570,489.11
  6. Step 6: Final answer
    x = 27,419,565.56

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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.