Home / 13,936,672.20-20,905,008.30-11,066,890.80

Finding the Fourth Proportional to 13,936,672.20, 20,905,008.30 and 11,066,890.80

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Solution

The fourth proportional to 13,936,672.20, 20,905,008.30 and 11,066,890.80 is: 16,600,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,936,672.20 : 20,905,008.30 = 11,066,890.80 : x
  2. Step 2: Convert to fraction form
    13,936,672.20/20,905,008.30 = 11,066,890.80/x
  3. Step 3: Cross multiply
    13,936,672.20x = 20,905,008.30 × 11,066,890.80
  4. Step 4: Simplify right side
    13,936,672.20x = 231,353,444,029,193.66
  5. Step 5: Solve for x
    x = 231,353,444,029,193.66/13,936,672.20
  6. Step 6: Final answer
    x = 16,600,336.20

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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.