Home / 7,549,965.72-10,419,212.66-4,286,672.55

Finding the Fourth Proportional to 7,549,965.72, 10,419,212.66 and 4,286,672.55

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Solution

The fourth proportional to 7,549,965.72, 10,419,212.66 and 4,286,672.55 is: 5,915,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549,965.72 : 10,419,212.66 = 4,286,672.55 : x
  2. Step 2: Convert to fraction form
    7,549,965.72/10,419,212.66 = 4,286,672.55/x
  3. Step 3: Cross multiply
    7,549,965.72x = 10,419,212.66 × 4,286,672.55
  4. Step 4: Simplify right side
    7,549,965.72x = 44,663,752,880,801.12
  5. Step 5: Solve for x
    x = 44,663,752,880,801.12/7,549,965.72
  6. Step 6: Final answer
    x = 5,915,755.72

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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.