Home / 22,212,005.20-33,293,124.60-12,631,973.20

Finding the Fourth Proportional to 22,212,005.20, 33,293,124.60 and 12,631,973.20

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Solution

The fourth proportional to 22,212,005.20, 33,293,124.60 and 12,631,973.20 is: 18,933,808.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212,005.20 : 33,293,124.60 = 12,631,973.20 : x
  2. Step 2: Convert to fraction form
    22,212,005.20/33,293,124.60 = 12,631,973.20/x
  3. Step 3: Cross multiply
    22,212,005.20x = 33,293,124.60 × 12,631,973.20
  4. Step 4: Simplify right side
    22,212,005.20x = 420,557,857,691,460.69
  5. Step 5: Solve for x
    x = 420,557,857,691,460.69/22,212,005.20
  6. Step 6: Final answer
    x = 18,933,808.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.