Home / 19,505,761.20-29,258,739-7,997,514.48

Finding the Fourth Proportional to 19,505,761.20, 29,258,739 and 7,997,514.48

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Solution

The fourth proportional to 19,505,761.20, 29,258,739 and 7,997,514.48 is: 11,996,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,505,761.20 : 29,258,739 = 7,997,514.48 : x
  2. Step 2: Convert to fraction form
    19,505,761.20/29,258,739 = 7,997,514.48/x
  3. Step 3: Cross multiply
    19,505,761.20x = 29,258,739 × 7,997,514.48
  4. Step 4: Simplify right side
    19,505,761.20x = 233,997,188,819,040.72
  5. Step 5: Solve for x
    x = 233,997,188,819,040.72/19,505,761.20
  6. Step 6: Final answer
    x = 11,996,311.57

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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.