Home / 8,525,286.32-12,776,906.76-6,378,527.12

Finding the Fourth Proportional to 8,525,286.32, 12,776,906.76 and 6,378,527.12

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Solution

The fourth proportional to 8,525,286.32, 12,776,906.76 and 6,378,527.12 is: 9,559,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525,286.32 : 12,776,906.76 = 6,378,527.12 : x
  2. Step 2: Convert to fraction form
    8,525,286.32/12,776,906.76 = 6,378,527.12/x
  3. Step 3: Cross multiply
    8,525,286.32x = 12,776,906.76 × 6,378,527.12
  4. Step 4: Simplify right side
    8,525,286.32x = 81,497,846,278,371.33
  5. Step 5: Solve for x
    x = 81,497,846,278,371.33/8,525,286.32
  6. Step 6: Final answer
    x = 9,559,543.60

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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.