Home / 13,991,145.30-20,970,798.26-8,514,160.43

Finding the Fourth Proportional to 13,991,145.30, 20,970,798.26 and 8,514,160.43

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Solution

The fourth proportional to 13,991,145.30, 20,970,798.26 and 8,514,160.43 is: 12,761,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,145.30 : 20,970,798.26 = 8,514,160.43 : x
  2. Step 2: Convert to fraction form
    13,991,145.30/20,970,798.26 = 8,514,160.43/x
  3. Step 3: Cross multiply
    13,991,145.30x = 20,970,798.26 × 8,514,160.43
  4. Step 4: Simplify right side
    13,991,145.30x = 178,548,740,583,380.06
  5. Step 5: Solve for x
    x = 178,548,740,583,380.06/13,991,145.30
  6. Step 6: Final answer
    x = 12,761,552.88

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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.