Home / 19,859,346.80-29,789,021.40-6,396,174.80

Finding the Fourth Proportional to 19,859,346.80, 29,789,021.40 and 6,396,174.80

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Solution

The fourth proportional to 19,859,346.80, 29,789,021.40 and 6,396,174.80 is: 9,594,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859,346.80 : 29,789,021.40 = 6,396,174.80 : x
  2. Step 2: Convert to fraction form
    19,859,346.80/29,789,021.40 = 6,396,174.80/x
  3. Step 3: Cross multiply
    19,859,346.80x = 29,789,021.40 × 6,396,174.80
  4. Step 4: Simplify right side
    19,859,346.80x = 190,535,787,995,340.72
  5. Step 5: Solve for x
    x = 190,535,787,995,340.72/19,859,346.80
  6. Step 6: Final answer
    x = 9,594,262.59

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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.