Home / 20,959,902.62-31,439,853.96-5,813,834.12

Finding the Fourth Proportional to 20,959,902.62, 31,439,853.96 and 5,813,834.12

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Solution

The fourth proportional to 20,959,902.62, 31,439,853.96 and 5,813,834.12 is: 8,720,751.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,902.62 : 31,439,853.96 = 5,813,834.12 : x
  2. Step 2: Convert to fraction form
    20,959,902.62/31,439,853.96 = 5,813,834.12/x
  3. Step 3: Cross multiply
    20,959,902.62x = 31,439,853.96 × 5,813,834.12
  4. Step 4: Simplify right side
    20,959,902.62x = 182,786,095,680,465.12
  5. Step 5: Solve for x
    x = 182,786,095,680,465.12/20,959,902.62
  6. Step 6: Final answer
    x = 8,720,751.19

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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.