Home / 6,897,610.83-9,518,705.54-3,998,682.21

Finding the Fourth Proportional to 6,897,610.83, 9,518,705.54 and 3,998,682.21

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Solution

The fourth proportional to 6,897,610.83, 9,518,705.54 and 3,998,682.21 is: 5,518,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,610.83 : 9,518,705.54 = 3,998,682.21 : x
  2. Step 2: Convert to fraction form
    6,897,610.83/9,518,705.54 = 3,998,682.21/x
  3. Step 3: Cross multiply
    6,897,610.83x = 9,518,705.54 × 3,998,682.21
  4. Step 4: Simplify right side
    6,897,610.83x = 38,062,278,485,033.03
  5. Step 5: Solve for x
    x = 38,062,278,485,033.03/6,897,610.83
  6. Step 6: Final answer
    x = 5,518,182.95

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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.