Home / 20,161,207.65-30,241,811.48-5,015,139.15

Finding the Fourth Proportional to 20,161,207.65, 30,241,811.48 and 5,015,139.15

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Solution

The fourth proportional to 20,161,207.65, 30,241,811.48 and 5,015,139.15 is: 7,522,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,207.65 : 30,241,811.48 = 5,015,139.15 : x
  2. Step 2: Convert to fraction form
    20,161,207.65/30,241,811.48 = 5,015,139.15/x
  3. Step 3: Cross multiply
    20,161,207.65x = 30,241,811.48 × 5,015,139.15
  4. Step 4: Simplify right side
    20,161,207.65x = 151,666,892,695,191.75
  5. Step 5: Solve for x
    x = 151,666,892,695,191.75/20,161,207.65
  6. Step 6: Final answer
    x = 7,522,708.73

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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.