Home / 20,147,958.10-30,225,623.55-8,181,903.70

Finding the Fourth Proportional to 20,147,958.10, 30,225,623.55 and 8,181,903.70

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Solution

The fourth proportional to 20,147,958.10, 30,225,623.55 and 8,181,903.70 is: 12,274,352.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,958.10 : 30,225,623.55 = 8,181,903.70 : x
  2. Step 2: Convert to fraction form
    20,147,958.10/30,225,623.55 = 8,181,903.70/x
  3. Step 3: Cross multiply
    20,147,958.10x = 30,225,623.55 × 8,181,903.70
  4. Step 4: Simplify right side
    20,147,958.10x = 247,303,141,158,552.16
  5. Step 5: Solve for x
    x = 247,303,141,158,552.16/20,147,958.10
  6. Step 6: Final answer
    x = 12,274,352.56

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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.