Home / 22,143,558.30-30,557,416.47-12,982,302.30

Finding the Fourth Proportional to 22,143,558.30, 30,557,416.47 and 12,982,302.30

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Solution

The fourth proportional to 22,143,558.30, 30,557,416.47 and 12,982,302.30 is: 17,915,170.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,558.30 : 30,557,416.47 = 12,982,302.30 : x
  2. Step 2: Convert to fraction form
    22,143,558.30/30,557,416.47 = 12,982,302.30/x
  3. Step 3: Cross multiply
    22,143,558.30x = 30,557,416.47 × 12,982,302.30
  4. Step 4: Simplify right side
    22,143,558.30x = 396,705,618,120,538.88
  5. Step 5: Solve for x
    x = 396,705,618,120,538.88/22,143,558.30
  6. Step 6: Final answer
    x = 17,915,170.31

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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.