Home / 7,685,698.28-11,529,142.74-2,568,145.88

Finding the Fourth Proportional to 7,685,698.28, 11,529,142.74 and 2,568,145.88

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Solution

The fourth proportional to 7,685,698.28, 11,529,142.74 and 2,568,145.88 is: 3,852,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685,698.28 : 11,529,142.74 = 2,568,145.88 : x
  2. Step 2: Convert to fraction form
    7,685,698.28/11,529,142.74 = 2,568,145.88/x
  3. Step 3: Cross multiply
    7,685,698.28x = 11,529,142.74 × 2,568,145.88
  4. Step 4: Simplify right side
    7,685,698.28x = 29,608,520,427,662.91
  5. Step 5: Solve for x
    x = 29,608,520,427,662.91/7,685,698.28
  6. Step 6: Final answer
    x = 3,852,417.74

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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.