Home / 13,372,909.70-20,059,364.55-8,586,004.10

Finding the Fourth Proportional to 13,372,909.70, 20,059,364.55 and 8,586,004.10

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Solution

The fourth proportional to 13,372,909.70, 20,059,364.55 and 8,586,004.10 is: 12,879,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372,909.70 : 20,059,364.55 = 8,586,004.10 : x
  2. Step 2: Convert to fraction form
    13,372,909.70/20,059,364.55 = 8,586,004.10/x
  3. Step 3: Cross multiply
    13,372,909.70x = 20,059,364.55 × 8,586,004.10
  4. Step 4: Simplify right side
    13,372,909.70x = 172,229,786,269,694.66
  5. Step 5: Solve for x
    x = 172,229,786,269,694.66/13,372,909.70
  6. Step 6: Final answer
    x = 12,879,006.15

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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.