Home / 13,991,174.94-20,970,842.72-8,514,190.04

Finding the Fourth Proportional to 13,991,174.94, 20,970,842.72 and 8,514,190.04

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Solution

The fourth proportional to 13,991,174.94, 20,970,842.72 and 8,514,190.04 is: 12,761,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,174.94 : 20,970,842.72 = 8,514,190.04 : x
  2. Step 2: Convert to fraction form
    13,991,174.94/20,970,842.72 = 8,514,190.04/x
  3. Step 3: Cross multiply
    13,991,174.94x = 20,970,842.72 × 8,514,190.04
  4. Step 4: Simplify right side
    13,991,174.94x = 178,549,740,069,605.34
  5. Step 5: Solve for x
    x = 178,549,740,069,605.34/13,991,174.94
  6. Step 6: Final answer
    x = 12,761,597.28

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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.