Home / 10,443,086.37-15,667,836.27-4,985,145.87

Finding the Fourth Proportional to 10,443,086.37, 15,667,836.27 and 4,985,145.87

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Solution

The fourth proportional to 10,443,086.37, 15,667,836.27 and 4,985,145.87 is: 7,479,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,443,086.37 : 15,667,836.27 = 4,985,145.87 : x
  2. Step 2: Convert to fraction form
    10,443,086.37/15,667,836.27 = 4,985,145.87/x
  3. Step 3: Cross multiply
    10,443,086.37x = 15,667,836.27 × 4,985,145.87
  4. Step 4: Simplify right side
    10,443,086.37x = 78,106,449,273,226.70
  5. Step 5: Solve for x
    x = 78,106,449,273,226.70/10,443,086.37
  6. Step 6: Final answer
    x = 7,479,249.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.