Home / 20,227,826.90-30,335,415.80-6,761,505.62

Finding the Fourth Proportional to 20,227,826.90, 30,335,415.80 and 6,761,505.62

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Solution

The fourth proportional to 20,227,826.90, 30,335,415.80 and 6,761,505.62 is: 10,140,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,826.90 : 30,335,415.80 = 6,761,505.62 : x
  2. Step 2: Convert to fraction form
    20,227,826.90/30,335,415.80 = 6,761,505.62/x
  3. Step 3: Cross multiply
    20,227,826.90x = 30,335,415.80 × 6,761,505.62
  4. Step 4: Simplify right side
    20,227,826.90x = 205,113,084,231,252.22
  5. Step 5: Solve for x
    x = 205,113,084,231,252.22/20,227,826.90
  6. Step 6: Final answer
    x = 10,140,144.33

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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.