Home / 20,390,015.56-28,138,219.90-11,097,652.26

Finding the Fourth Proportional to 20,390,015.56, 28,138,219.90 and 11,097,652.26

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Solution

The fourth proportional to 20,390,015.56, 28,138,219.90 and 11,097,652.26 is: 15,314,759.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,390,015.56 : 28,138,219.90 = 11,097,652.26 : x
  2. Step 2: Convert to fraction form
    20,390,015.56/28,138,219.90 = 11,097,652.26/x
  3. Step 3: Cross multiply
    20,390,015.56x = 28,138,219.90 × 11,097,652.26
  4. Step 4: Simplify right side
    20,390,015.56x = 312,268,179,665,611.94
  5. Step 5: Solve for x
    x = 312,268,179,665,611.94/20,390,015.56
  6. Step 6: Final answer
    x = 15,314,759.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.