Home / 20,185,455.10-30,278,611.54-7,232,449.46

Finding the Fourth Proportional to 20,185,455.10, 30,278,611.54 and 7,232,449.46

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Solution

The fourth proportional to 20,185,455.10, 30,278,611.54 and 7,232,449.46 is: 10,848,827.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,455.10 : 30,278,611.54 = 7,232,449.46 : x
  2. Step 2: Convert to fraction form
    20,185,455.10/30,278,611.54 = 7,232,449.46/x
  3. Step 3: Cross multiply
    20,185,455.10x = 30,278,611.54 × 7,232,449.46
  4. Step 4: Simplify right side
    20,185,455.10x = 218,988,527,682,022.75
  5. Step 5: Solve for x
    x = 218,988,527,682,022.75/20,185,455.10
  6. Step 6: Final answer
    x = 10,848,827.86

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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.