Home / 20,227,806.52-30,335,385.30-6,761,485.24

Finding the Fourth Proportional to 20,227,806.52, 30,335,385.30 and 6,761,485.24

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Solution

The fourth proportional to 20,227,806.52, 30,335,385.30 and 6,761,485.24 is: 10,140,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,806.52 : 30,335,385.30 = 6,761,485.24 : x
  2. Step 2: Convert to fraction form
    20,227,806.52/30,335,385.30 = 6,761,485.24/x
  3. Step 3: Cross multiply
    20,227,806.52x = 30,335,385.30 × 6,761,485.24
  4. Step 4: Simplify right side
    20,227,806.52x = 205,112,259,955,662.97
  5. Step 5: Solve for x
    x = 205,112,259,955,662.97/20,227,806.52
  6. Step 6: Final answer
    x = 10,140,113.80

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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.