Home / 6,897,633.36-9,518,736.68-3,998,704.72

Finding the Fourth Proportional to 6,897,633.36, 9,518,736.68 and 3,998,704.72

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Solution

The fourth proportional to 6,897,633.36, 9,518,736.68 and 3,998,704.72 is: 5,518,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,633.36 : 9,518,736.68 = 3,998,704.72 : x
  2. Step 2: Convert to fraction form
    6,897,633.36/9,518,736.68 = 3,998,704.72/x
  3. Step 3: Cross multiply
    6,897,633.36x = 9,518,736.68 × 3,998,704.72
  4. Step 4: Simplify right side
    6,897,633.36x = 38,062,617,290,753.13
  5. Step 5: Solve for x
    x = 38,062,617,290,753.13/6,897,633.36
  6. Step 6: Final answer
    x = 5,518,214.05

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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.