Home / 31,054,122.90-42,852,940.79-17,115,435.77

Finding the Fourth Proportional to 31,054,122.90, 42,852,940.79 and 17,115,435.77

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Solution

The fourth proportional to 31,054,122.90, 42,852,940.79 and 17,115,435.77 is: 23,618,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,054,122.90 : 42,852,940.79 = 17,115,435.77 : x
  2. Step 2: Convert to fraction form
    31,054,122.90/42,852,940.79 = 17,115,435.77/x
  3. Step 3: Cross multiply
    31,054,122.90x = 42,852,940.79 × 17,115,435.77
  4. Step 4: Simplify right side
    31,054,122.90x = 733,446,755,347,016.12
  5. Step 5: Solve for x
    x = 733,446,755,347,016.12/31,054,122.90
  6. Step 6: Final answer
    x = 23,618,337.50

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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.