Home / 31,567,399.72-43,550,967.44-19,172,817.79

Finding the Fourth Proportional to 31,567,399.72, 43,550,967.44 and 19,172,817.79

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Solution

The fourth proportional to 31,567,399.72, 43,550,967.44 and 19,172,817.79 is: 26,451,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567,399.72 : 43,550,967.44 = 19,172,817.79 : x
  2. Step 2: Convert to fraction form
    31,567,399.72/43,550,967.44 = 19,172,817.79/x
  3. Step 3: Cross multiply
    31,567,399.72x = 43,550,967.44 × 19,172,817.79
  4. Step 4: Simplify right side
    31,567,399.72x = 834,994,762,991,723.88
  5. Step 5: Solve for x
    x = 834,994,762,991,723.88/31,567,399.72
  6. Step 6: Final answer
    x = 26,451,173.38

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1.5x scale

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.