Home / 22,187,982.31-30,618,828.01-12,398,506.94

Finding the Fourth Proportional to 22,187,982.31, 30,618,828.01 and 12,398,506.94

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Solution

The fourth proportional to 22,187,982.31, 30,618,828.01 and 12,398,506.94 is: 17,109,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,187,982.31 : 30,618,828.01 = 12,398,506.94 : x
  2. Step 2: Convert to fraction form
    22,187,982.31/30,618,828.01 = 12,398,506.94/x
  3. Step 3: Cross multiply
    22,187,982.31x = 30,618,828.01 × 12,398,506.94
  4. Step 4: Simplify right side
    22,187,982.31x = 379,627,751,423,557.31
  5. Step 5: Solve for x
    x = 379,627,751,423,557.31/22,187,982.31
  6. Step 6: Final answer
    x = 17,109,611.24

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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.