Home / 28,942,150.60-43,462,992.30-20,481,862.60

Finding the Fourth Proportional to 28,942,150.60, 43,462,992.30 and 20,481,862.60

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Solution

The fourth proportional to 28,942,150.60, 43,462,992.30 and 20,481,862.60 is: 30,758,012.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942,150.60 : 43,462,992.30 = 20,481,862.60 : x
  2. Step 2: Convert to fraction form
    28,942,150.60/43,462,992.30 = 20,481,862.60/x
  3. Step 3: Cross multiply
    28,942,150.60x = 43,462,992.30 × 20,481,862.60
  4. Step 4: Simplify right side
    28,942,150.60x = 890,203,036,473,458
  5. Step 5: Solve for x
    x = 890,203,036,473,458/28,942,150.60
  6. Step 6: Final answer
    x = 30,758,012.73

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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.