Home / 20,157,743.80-30,236,615.70-11,056,324.60

Finding the Fourth Proportional to 20,157,743.80, 30,236,615.70 and 11,056,324.60

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Solution

The fourth proportional to 20,157,743.80, 30,236,615.70 and 11,056,324.60 is: 16,584,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,157,743.80 : 30,236,615.70 = 11,056,324.60 : x
  2. Step 2: Convert to fraction form
    20,157,743.80/30,236,615.70 = 11,056,324.60/x
  3. Step 3: Cross multiply
    20,157,743.80x = 30,236,615.70 × 11,056,324.60
  4. Step 4: Simplify right side
    20,157,743.80x = 334,305,837,984,656.19
  5. Step 5: Solve for x
    x = 334,305,837,984,656.19/20,157,743.80
  6. Step 6: Final answer
    x = 16,584,486.90

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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.