Home / 12,104,028.80-18,156,043.20-9,269,676.80

Finding the Fourth Proportional to 12,104,028.80, 18,156,043.20 and 9,269,676.80

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Solution

The fourth proportional to 12,104,028.80, 18,156,043.20 and 9,269,676.80 is: 13,904,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,028.80 : 18,156,043.20 = 9,269,676.80 : x
  2. Step 2: Convert to fraction form
    12,104,028.80/18,156,043.20 = 9,269,676.80/x
  3. Step 3: Cross multiply
    12,104,028.80x = 18,156,043.20 × 9,269,676.80
  4. Step 4: Simplify right side
    12,104,028.80x = 168,300,652,430,837.78
  5. Step 5: Solve for x
    x = 168,300,652,430,837.78/12,104,028.80
  6. Step 6: Final answer
    x = 13,904,515.20

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Similar ratio
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1.5x scale

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.