Home / 13,303,832.20-19,955,748.30-7,540,649.80

Finding the Fourth Proportional to 13,303,832.20, 19,955,748.30 and 7,540,649.80

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Solution

The fourth proportional to 13,303,832.20, 19,955,748.30 and 7,540,649.80 is: 11,310,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,832.20 : 19,955,748.30 = 7,540,649.80 : x
  2. Step 2: Convert to fraction form
    13,303,832.20/19,955,748.30 = 7,540,649.80/x
  3. Step 3: Cross multiply
    13,303,832.20x = 19,955,748.30 × 7,540,649.80
  4. Step 4: Simplify right side
    13,303,832.20x = 150,479,309,427,245.34
  5. Step 5: Solve for x
    x = 150,479,309,427,245.34/13,303,832.20
  6. Step 6: Final answer
    x = 11,310,974.70

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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.