Home / 13,375,162.80-20,056,419.72-5,181,643.44

Finding the Fourth Proportional to 13,375,162.80, 20,056,419.72 and 5,181,643.44

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Solution

The fourth proportional to 13,375,162.80, 20,056,419.72 and 5,181,643.44 is: 7,770,015.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,162.80 : 20,056,419.72 = 5,181,643.44 : x
  2. Step 2: Convert to fraction form
    13,375,162.80/20,056,419.72 = 5,181,643.44/x
  3. Step 3: Cross multiply
    13,375,162.80x = 20,056,419.72 × 5,181,643.44
  4. Step 4: Simplify right side
    13,375,162.80x = 103,925,215,672,024.64
  5. Step 5: Solve for x
    x = 103,925,215,672,024.64/13,375,162.80
  6. Step 6: Final answer
    x = 7,770,015.01

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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.