Home / 10,978,883.20-16,444,705.20-9,089,315.20

Finding the Fourth Proportional to 10,978,883.20, 16,444,705.20 and 9,089,315.20

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Solution

The fourth proportional to 10,978,883.20, 16,444,705.20 and 9,089,315.20 is: 13,614,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,978,883.20 : 16,444,705.20 = 9,089,315.20 : x
  2. Step 2: Convert to fraction form
    10,978,883.20/16,444,705.20 = 9,089,315.20/x
  3. Step 3: Cross multiply
    10,978,883.20x = 16,444,705.20 × 9,089,315.20
  4. Step 4: Simplify right side
    10,978,883.20x = 149,471,108,933,879.03
  5. Step 5: Solve for x
    x = 149,471,108,933,879.03/10,978,883.20
  6. Step 6: Final answer
    x = 13,614,418.35

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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.