Home / 8,271,569.70-12,407,743.35-2,591,979.30

Finding the Fourth Proportional to 8,271,569.70, 12,407,743.35 and 2,591,979.30

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Solution

The fourth proportional to 8,271,569.70, 12,407,743.35 and 2,591,979.30 is: 3,888,090.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271,569.70 : 12,407,743.35 = 2,591,979.30 : x
  2. Step 2: Convert to fraction form
    8,271,569.70/12,407,743.35 = 2,591,979.30/x
  3. Step 3: Cross multiply
    8,271,569.70x = 12,407,743.35 × 2,591,979.30
  4. Step 4: Simplify right side
    8,271,569.70x = 32,160,613,922,912.65
  5. Step 5: Solve for x
    x = 32,160,613,922,912.65/8,271,569.70
  6. Step 6: Final answer
    x = 3,888,090.78

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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.