Home / 11,411,998.76-15,722,090.28-7,968,785.96

Finding the Fourth Proportional to 11,411,998.76, 15,722,090.28 and 7,968,785.96

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Solution

The fourth proportional to 11,411,998.76, 15,722,090.28 and 7,968,785.96 is: 10,978,442.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,411,998.76 : 15,722,090.28 = 7,968,785.96 : x
  2. Step 2: Convert to fraction form
    11,411,998.76/15,722,090.28 = 7,968,785.96/x
  3. Step 3: Cross multiply
    11,411,998.76x = 15,722,090.28 × 7,968,785.96
  4. Step 4: Simplify right side
    11,411,998.76x = 125,285,972,285,116.47
  5. Step 5: Solve for x
    x = 125,285,972,285,116.47/11,411,998.76
  6. Step 6: Final answer
    x = 10,978,442.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.