Home / 28,067,438.30-42,101,157.45-15,932,212.70

Finding the Fourth Proportional to 28,067,438.30, 42,101,157.45 and 15,932,212.70

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Solution

The fourth proportional to 28,067,438.30, 42,101,157.45 and 15,932,212.70 is: 23,898,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067,438.30 : 42,101,157.45 = 15,932,212.70 : x
  2. Step 2: Convert to fraction form
    28,067,438.30/42,101,157.45 = 15,932,212.70/x
  3. Step 3: Cross multiply
    28,067,438.30x = 42,101,157.45 × 15,932,212.70
  4. Step 4: Simplify right side
    28,067,438.30x = 670,764,595,409,589.62
  5. Step 5: Solve for x
    x = 670,764,595,409,589.62/28,067,438.30
  6. Step 6: Final answer
    x = 23,898,319.05

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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.