Home / 36,031,530.10-49,727,067.80-20,563,928.86

Finding the Fourth Proportional to 36,031,530.10, 49,727,067.80 and 20,563,928.86

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Solution

The fourth proportional to 36,031,530.10, 49,727,067.80 and 20,563,928.86 is: 28,380,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,031,530.10 : 49,727,067.80 = 20,563,928.86 : x
  2. Step 2: Convert to fraction form
    36,031,530.10/49,727,067.80 = 20,563,928.86/x
  3. Step 3: Cross multiply
    36,031,530.10x = 49,727,067.80 × 20,563,928.86
  4. Step 4: Simplify right side
    36,031,530.10x = 1,022,583,884,655,596.62
  5. Step 5: Solve for x
    x = 1,022,583,884,655,596.62/36,031,530.10
  6. Step 6: Final answer
    x = 28,380,251.46

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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.