Home / 30,940,989.91-42,698,905.93-17,002,348.59

Finding the Fourth Proportional to 30,940,989.91, 42,698,905.93 and 17,002,348.59

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Solution

The fourth proportional to 30,940,989.91, 42,698,905.93 and 17,002,348.59 is: 23,463,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940,989.91 : 42,698,905.93 = 17,002,348.59 : x
  2. Step 2: Convert to fraction form
    30,940,989.91/42,698,905.93 = 17,002,348.59/x
  3. Step 3: Cross multiply
    30,940,989.91x = 42,698,905.93 × 17,002,348.59
  4. Step 4: Simplify right side
    30,940,989.91x = 725,981,682,894,610.12
  5. Step 5: Solve for x
    x = 725,981,682,894,610.12/30,940,989.91
  6. Step 6: Final answer
    x = 23,463,427.80

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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.