Home / 13,453,851.80-20,174,872.80-5,364,138.80

Finding the Fourth Proportional to 13,453,851.80, 20,174,872.80 and 5,364,138.80

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Solution

The fourth proportional to 13,453,851.80, 20,174,872.80 and 5,364,138.80 is: 8,043,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,851.80 : 20,174,872.80 = 5,364,138.80 : x
  2. Step 2: Convert to fraction form
    13,453,851.80/20,174,872.80 = 5,364,138.80/x
  3. Step 3: Cross multiply
    13,453,851.80x = 20,174,872.80 × 5,364,138.80
  4. Step 4: Simplify right side
    13,453,851.80x = 108,220,817,971,544.64
  5. Step 5: Solve for x
    x = 108,220,817,971,544.64/13,453,851.80
  6. Step 6: Final answer
    x = 8,043,853.88

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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.