Home / 28,024,067.70-42,036,101.55-12,907,523.70

Finding the Fourth Proportional to 28,024,067.70, 42,036,101.55 and 12,907,523.70

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Solution

The fourth proportional to 28,024,067.70, 42,036,101.55 and 12,907,523.70 is: 19,361,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,024,067.70 : 42,036,101.55 = 12,907,523.70 : x
  2. Step 2: Convert to fraction form
    28,024,067.70/42,036,101.55 = 12,907,523.70/x
  3. Step 3: Cross multiply
    28,024,067.70x = 42,036,101.55 × 12,907,523.70
  4. Step 4: Simplify right side
    28,024,067.70x = 542,581,977,012,231.69
  5. Step 5: Solve for x
    x = 542,581,977,012,231.69/28,024,067.70
  6. Step 6: Final answer
    x = 19,361,285.55

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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.