Home / 20,077,068.48-27,704,105.76-11,373,376.80

Finding the Fourth Proportional to 20,077,068.48, 27,704,105.76 and 11,373,376.80

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Solution

The fourth proportional to 20,077,068.48, 27,704,105.76 and 11,373,376.80 is: 15,693,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,077,068.48 : 27,704,105.76 = 11,373,376.80 : x
  2. Step 2: Convert to fraction form
    20,077,068.48/27,704,105.76 = 11,373,376.80/x
  3. Step 3: Cross multiply
    20,077,068.48x = 27,704,105.76 × 11,373,376.80
  4. Step 4: Simplify right side
    20,077,068.48x = 315,089,233,715,530.44
  5. Step 5: Solve for x
    x = 315,089,233,715,530.44/20,077,068.48
  6. Step 6: Final answer
    x = 15,693,986.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.