Home / 5,213,770.12-7,193,651.88-3,147,152.32

Finding the Fourth Proportional to 5,213,770.12, 7,193,651.88 and 3,147,152.32

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Solution

The fourth proportional to 5,213,770.12, 7,193,651.88 and 3,147,152.32 is: 4,342,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213,770.12 : 7,193,651.88 = 3,147,152.32 : x
  2. Step 2: Convert to fraction form
    5,213,770.12/7,193,651.88 = 3,147,152.32/x
  3. Step 3: Cross multiply
    5,213,770.12x = 7,193,651.88 × 3,147,152.32
  4. Step 4: Simplify right side
    5,213,770.12x = 22,639,518,203,414.36
  5. Step 5: Solve for x
    x = 22,639,518,203,414.36/5,213,770.12
  6. Step 6: Final answer
    x = 4,342,254.78

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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.