Home / 8,131,128.60-12,196,692.90-2,147,496.60

Finding the Fourth Proportional to 8,131,128.60, 12,196,692.90 and 2,147,496.60

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Solution

The fourth proportional to 8,131,128.60, 12,196,692.90 and 2,147,496.60 is: 3,221,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,128.60 : 12,196,692.90 = 2,147,496.60 : x
  2. Step 2: Convert to fraction form
    8,131,128.60/12,196,692.90 = 2,147,496.60/x
  3. Step 3: Cross multiply
    8,131,128.60x = 12,196,692.90 × 2,147,496.60
  4. Step 4: Simplify right side
    8,131,128.60x = 26,192,356,533,994.14
  5. Step 5: Solve for x
    x = 26,192,356,533,994.14/8,131,128.60
  6. Step 6: Final answer
    x = 3,221,244.90

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Similar ratio
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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.