Home / 12,089,015.10-18,133,522.65-11,379,843.90

Finding the Fourth Proportional to 12,089,015.10, 18,133,522.65 and 11,379,843.90

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Solution

The fourth proportional to 12,089,015.10, 18,133,522.65 and 11,379,843.90 is: 17,069,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089,015.10 : 18,133,522.65 = 11,379,843.90 : x
  2. Step 2: Convert to fraction form
    12,089,015.10/18,133,522.65 = 11,379,843.90/x
  3. Step 3: Cross multiply
    12,089,015.10x = 18,133,522.65 × 11,379,843.90
  4. Step 4: Simplify right side
    12,089,015.10x = 206,356,657,114,114.31
  5. Step 5: Solve for x
    x = 206,356,657,114,114.31/12,089,015.10
  6. Step 6: Final answer
    x = 17,069,765.85

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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.