Home / 31,636,944.36-43,658,405.22-17,885,912.68

Finding the Fourth Proportional to 31,636,944.36, 43,658,405.22 and 17,885,912.68

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Solution

The fourth proportional to 31,636,944.36, 43,658,405.22 and 17,885,912.68 is: 24,682,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,636,944.36 : 43,658,405.22 = 17,885,912.68 : x
  2. Step 2: Convert to fraction form
    31,636,944.36/43,658,405.22 = 17,885,912.68/x
  3. Step 3: Cross multiply
    31,636,944.36x = 43,658,405.22 × 17,885,912.68
  4. Step 4: Simplify right side
    31,636,944.36x = 780,870,423,512,976.12
  5. Step 5: Solve for x
    x = 780,870,423,512,976.12/31,636,944.36
  6. Step 6: Final answer
    x = 24,682,232.73

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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.