Home / 6,897,617.37-9,518,714.60-3,998,688.73

Finding the Fourth Proportional to 6,897,617.37, 9,518,714.60 and 3,998,688.73

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Solution

The fourth proportional to 6,897,617.37, 9,518,714.60 and 3,998,688.73 is: 5,518,191.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,617.37 : 9,518,714.60 = 3,998,688.73 : x
  2. Step 2: Convert to fraction form
    6,897,617.37/9,518,714.60 = 3,998,688.73/x
  3. Step 3: Cross multiply
    6,897,617.37x = 9,518,714.60 × 3,998,688.73
  4. Step 4: Simplify right side
    6,897,617.37x = 38,062,376,751,316.23
  5. Step 5: Solve for x
    x = 38,062,376,751,316.23/6,897,617.37
  6. Step 6: Final answer
    x = 5,518,191.97

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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.