Home / 7,656,144.37-10,565,346.19-4,171,511.78

Finding the Fourth Proportional to 7,656,144.37, 10,565,346.19 and 4,171,511.78

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Solution

The fourth proportional to 7,656,144.37, 10,565,346.19 and 4,171,511.78 is: 5,756,613.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656,144.37 : 10,565,346.19 = 4,171,511.78 : x
  2. Step 2: Convert to fraction form
    7,656,144.37/10,565,346.19 = 4,171,511.78/x
  3. Step 3: Cross multiply
    7,656,144.37x = 10,565,346.19 × 4,171,511.78
  4. Step 4: Simplify right side
    7,656,144.37x = 44,073,466,107,347.70
  5. Step 5: Solve for x
    x = 44,073,466,107,347.70/7,656,144.37
  6. Step 6: Final answer
    x = 5,756,613.77

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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.