Home / 20,724,446.96-28,599,231.66-11,431,813.57

Finding the Fourth Proportional to 20,724,446.96, 28,599,231.66 and 11,431,813.57

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Solution

The fourth proportional to 20,724,446.96, 28,599,231.66 and 11,431,813.57 is: 15,775,624.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724,446.96 : 28,599,231.66 = 11,431,813.57 : x
  2. Step 2: Convert to fraction form
    20,724,446.96/28,599,231.66 = 11,431,813.57/x
  3. Step 3: Cross multiply
    20,724,446.96x = 28,599,231.66 × 11,431,813.57
  4. Step 4: Simplify right side
    20,724,446.96x = 326,941,084,582,361.62
  5. Step 5: Solve for x
    x = 326,941,084,582,361.62/20,724,446.96
  6. Step 6: Final answer
    x = 15,775,624.08

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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.