Home / 31,317,998.50-43,218,749.55-17,381,457.82

Finding the Fourth Proportional to 31,317,998.50, 43,218,749.55 and 17,381,457.82

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Solution

The fourth proportional to 31,317,998.50, 43,218,749.55 and 17,381,457.82 is: 23,986,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,317,998.50 : 43,218,749.55 = 17,381,457.82 : x
  2. Step 2: Convert to fraction form
    31,317,998.50/43,218,749.55 = 17,381,457.82/x
  3. Step 3: Cross multiply
    31,317,998.50x = 43,218,749.55 × 17,381,457.82
  4. Step 4: Simplify right side
    31,317,998.50x = 751,204,872,336,469
  5. Step 5: Solve for x
    x = 751,204,872,336,469/31,317,998.50
  6. Step 6: Final answer
    x = 23,986,362.74

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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.