Home / 11,387,620.80-17,060,695.20-5,390,769.60

Finding the Fourth Proportional to 11,387,620.80, 17,060,695.20 and 5,390,769.60

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Solution

The fourth proportional to 11,387,620.80, 17,060,695.20 and 5,390,769.60 is: 8,076,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,387,620.80 : 17,060,695.20 = 5,390,769.60 : x
  2. Step 2: Convert to fraction form
    11,387,620.80/17,060,695.20 = 5,390,769.60/x
  3. Step 3: Cross multiply
    11,387,620.80x = 17,060,695.20 × 5,390,769.60
  4. Step 4: Simplify right side
    11,387,620.80x = 91,970,277,039,025.91
  5. Step 5: Solve for x
    x = 91,970,277,039,025.91/11,387,620.80
  6. Step 6: Final answer
    x = 8,076,338.21

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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.