Home / 13,991,173.44-20,970,840.47-8,514,188.54

Finding the Fourth Proportional to 13,991,173.44, 20,970,840.47 and 8,514,188.54

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Solution

The fourth proportional to 13,991,173.44, 20,970,840.47 and 8,514,188.54 is: 12,761,595.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,173.44 : 20,970,840.47 = 8,514,188.54 : x
  2. Step 2: Convert to fraction form
    13,991,173.44/20,970,840.47 = 8,514,188.54/x
  3. Step 3: Cross multiply
    13,991,173.44x = 20,970,840.47 × 8,514,188.54
  4. Step 4: Simplify right side
    13,991,173.44x = 178,549,689,535,057.72
  5. Step 5: Solve for x
    x = 178,549,689,535,057.72/13,991,173.44
  6. Step 6: Final answer
    x = 12,761,595.04

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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.