Home / 39,140,761.24-54,012,768.96-21,738,226.96

Finding the Fourth Proportional to 39,140,761.24, 54,012,768.96 and 21,738,226.96

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Solution

The fourth proportional to 39,140,761.24, 54,012,768.96 and 21,738,226.96 is: 29,997,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,140,761.24 : 54,012,768.96 = 21,738,226.96 : x
  2. Step 2: Convert to fraction form
    39,140,761.24/54,012,768.96 = 21,738,226.96/x
  3. Step 3: Cross multiply
    39,140,761.24x = 54,012,768.96 × 21,738,226.96
  4. Step 4: Simplify right side
    39,140,761.24x = 1,174,141,830,390,523.25
  5. Step 5: Solve for x
    x = 1,174,141,830,390,523.25/39,140,761.24
  6. Step 6: Final answer
    x = 29,997,930.37

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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.