Home / 14,008,520.80-21,012,781.20-11,174,168.80

Finding the Fourth Proportional to 14,008,520.80, 21,012,781.20 and 11,174,168.80

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Solution

The fourth proportional to 14,008,520.80, 21,012,781.20 and 11,174,168.80 is: 16,761,253.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008,520.80 : 21,012,781.20 = 11,174,168.80 : x
  2. Step 2: Convert to fraction form
    14,008,520.80/21,012,781.20 = 11,174,168.80/x
  3. Step 3: Cross multiply
    14,008,520.80x = 21,012,781.20 × 11,174,168.80
  4. Step 4: Simplify right side
    14,008,520.80x = 234,800,364,086,266.56
  5. Step 5: Solve for x
    x = 234,800,364,086,266.56/14,008,520.80
  6. Step 6: Final answer
    x = 16,761,253.20

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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.