Home / 20,741,043.20-31,111,564.80-5,596,505.60

Finding the Fourth Proportional to 20,741,043.20, 31,111,564.80 and 5,596,505.60

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Solution

The fourth proportional to 20,741,043.20, 31,111,564.80 and 5,596,505.60 is: 8,394,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741,043.20 : 31,111,564.80 = 5,596,505.60 : x
  2. Step 2: Convert to fraction form
    20,741,043.20/31,111,564.80 = 5,596,505.60/x
  3. Step 3: Cross multiply
    20,741,043.20x = 31,111,564.80 × 5,596,505.60
  4. Step 4: Simplify right side
    20,741,043.20x = 174,116,046,627,962.88
  5. Step 5: Solve for x
    x = 174,116,046,627,962.88/20,741,043.20
  6. Step 6: Final answer
    x = 8,394,758.40

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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.