Home / 31,558,749.15-43,550,650.45-17,620,318.33

Finding the Fourth Proportional to 31,558,749.15, 43,550,650.45 and 17,620,318.33

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Solution

The fourth proportional to 31,558,749.15, 43,550,650.45 and 17,620,318.33 is: 24,315,802.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,558,749.15 : 43,550,650.45 = 17,620,318.33 : x
  2. Step 2: Convert to fraction form
    31,558,749.15/43,550,650.45 = 17,620,318.33/x
  3. Step 3: Cross multiply
    31,558,749.15x = 43,550,650.45 × 17,620,318.33
  4. Step 4: Simplify right side
    31,558,749.15x = 767,376,324,407,557.75
  5. Step 5: Solve for x
    x = 767,376,324,407,557.75/31,558,749.15
  6. Step 6: Final answer
    x = 24,315,802.91

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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.