Home / 28,347,670.40-42,474,266.40-26,647,059.20

Finding the Fourth Proportional to 28,347,670.40, 42,474,266.40 and 26,647,059.20

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Solution

The fourth proportional to 28,347,670.40, 42,474,266.40 and 26,647,059.20 is: 39,926,183.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347,670.40 : 42,474,266.40 = 26,647,059.20 : x
  2. Step 2: Convert to fraction form
    28,347,670.40/42,474,266.40 = 26,647,059.20/x
  3. Step 3: Cross multiply
    28,347,670.40x = 42,474,266.40 × 26,647,059.20
  4. Step 4: Simplify right side
    28,347,670.40x = 1,131,814,291,237,370.75
  5. Step 5: Solve for x
    x = 1,131,814,291,237,370.75/28,347,670.40
  6. Step 6: Final answer
    x = 39,926,183.54

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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.