Home / 19,991,864.82-29,987,797.23-4,845,796.50

Finding the Fourth Proportional to 19,991,864.82, 29,987,797.23 and 4,845,796.50

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Solution

The fourth proportional to 19,991,864.82, 29,987,797.23 and 4,845,796.50 is: 7,268,694.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,864.82 : 29,987,797.23 = 4,845,796.50 : x
  2. Step 2: Convert to fraction form
    19,991,864.82/29,987,797.23 = 4,845,796.50/x
  3. Step 3: Cross multiply
    19,991,864.82x = 29,987,797.23 × 4,845,796.50
  4. Step 4: Simplify right side
    19,991,864.82x = 145,314,762,859,843.69
  5. Step 5: Solve for x
    x = 145,314,762,859,843.69/19,991,864.82
  6. Step 6: Final answer
    x = 7,268,694.75

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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.