Home / 20,056,933.20-30,081,900.60-7,270,856.40

Finding the Fourth Proportional to 20,056,933.20, 30,081,900.60 and 7,270,856.40

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Solution

The fourth proportional to 20,056,933.20, 30,081,900.60 and 7,270,856.40 is: 10,905,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056,933.20 : 30,081,900.60 = 7,270,856.40 : x
  2. Step 2: Convert to fraction form
    20,056,933.20/30,081,900.60 = 7,270,856.40/x
  3. Step 3: Cross multiply
    20,056,933.20x = 30,081,900.60 × 7,270,856.40
  4. Step 4: Simplify right side
    20,056,933.20x = 218,721,179,501,673.88
  5. Step 5: Solve for x
    x = 218,721,179,501,673.88/20,056,933.20
  6. Step 6: Final answer
    x = 10,905,016.10

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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.