Home / 9,072,911.20-13,609,366.80-3,089,279.20

Finding the Fourth Proportional to 9,072,911.20, 13,609,366.80 and 3,089,279.20

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Solution

The fourth proportional to 9,072,911.20, 13,609,366.80 and 3,089,279.20 is: 4,633,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,911.20 : 13,609,366.80 = 3,089,279.20 : x
  2. Step 2: Convert to fraction form
    9,072,911.20/13,609,366.80 = 3,089,279.20/x
  3. Step 3: Cross multiply
    9,072,911.20x = 13,609,366.80 × 3,089,279.20
  4. Step 4: Simplify right side
    9,072,911.20x = 42,043,133,780,410.56
  5. Step 5: Solve for x
    x = 42,043,133,780,410.56/9,072,911.20
  6. Step 6: Final answer
    x = 4,633,918.80

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Similar ratio
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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.