Home / 7,245,280.22-9,998,590.20-3,982,396.64

Finding the Fourth Proportional to 7,245,280.22, 9,998,590.20 and 3,982,396.64

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Solution

The fourth proportional to 7,245,280.22, 9,998,590.20 and 3,982,396.64 is: 5,495,764.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245,280.22 : 9,998,590.20 = 3,982,396.64 : x
  2. Step 2: Convert to fraction form
    7,245,280.22/9,998,590.20 = 3,982,396.64/x
  3. Step 3: Cross multiply
    7,245,280.22x = 9,998,590.20 × 3,982,396.64
  4. Step 4: Simplify right side
    7,245,280.22x = 39,818,352,017,216.93
  5. Step 5: Solve for x
    x = 39,818,352,017,216.93/7,245,280.22
  6. Step 6: Final answer
    x = 5,495,764.25

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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.