Home / 20,141,692.41-30,152,319.39-12,336,029.13

Finding the Fourth Proportional to 20,141,692.41, 30,152,319.39 and 12,336,029.13

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Solution

The fourth proportional to 20,141,692.41, 30,152,319.39 and 12,336,029.13 is: 18,467,161.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141,692.41 : 30,152,319.39 = 12,336,029.13 : x
  2. Step 2: Convert to fraction form
    20,141,692.41/30,152,319.39 = 12,336,029.13/x
  3. Step 3: Cross multiply
    20,141,692.41x = 30,152,319.39 × 12,336,029.13
  4. Step 4: Simplify right side
    20,141,692.41x = 371,959,890,332,103.88
  5. Step 5: Solve for x
    x = 371,959,890,332,103.88/20,141,692.41
  6. Step 6: Final answer
    x = 18,467,161.68

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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.