Home / 13,446,014.30-20,190,016.65-7,777,310.30

Finding the Fourth Proportional to 13,446,014.30, 20,190,016.65 and 7,777,310.30

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Solution

The fourth proportional to 13,446,014.30, 20,190,016.65 and 7,777,310.30 is: 11,678,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446,014.30 : 20,190,016.65 = 7,777,310.30 : x
  2. Step 2: Convert to fraction form
    13,446,014.30/20,190,016.65 = 7,777,310.30/x
  3. Step 3: Cross multiply
    13,446,014.30x = 20,190,016.65 × 7,777,310.30
  4. Step 4: Simplify right side
    13,446,014.30x = 157,024,024,449,216.47
  5. Step 5: Solve for x
    x = 157,024,024,449,216.47/13,446,014.30
  6. Step 6: Final answer
    x = 11,678,109.29

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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.