Home / 10,978,882.20-16,444,703.70-9,089,314.20

Finding the Fourth Proportional to 10,978,882.20, 16,444,703.70 and 9,089,314.20

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Solution

The fourth proportional to 10,978,882.20, 16,444,703.70 and 9,089,314.20 is: 13,614,416.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,978,882.20 : 16,444,703.70 = 9,089,314.20 : x
  2. Step 2: Convert to fraction form
    10,978,882.20/16,444,703.70 = 9,089,314.20/x
  3. Step 3: Cross multiply
    10,978,882.20x = 16,444,703.70 × 9,089,314.20
  4. Step 4: Simplify right side
    10,978,882.20x = 149,471,078,855,202.53
  5. Step 5: Solve for x
    x = 149,471,078,855,202.53/10,978,882.20
  6. Step 6: Final answer
    x = 13,614,416.85

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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.