Home / 7,863,221.76-11,790,604.32-4,625,878.56

Finding the Fourth Proportional to 7,863,221.76, 11,790,604.32 and 4,625,878.56

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Solution

The fourth proportional to 7,863,221.76, 11,790,604.32 and 4,625,878.56 is: 6,936,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863,221.76 : 11,790,604.32 = 4,625,878.56 : x
  2. Step 2: Convert to fraction form
    7,863,221.76/11,790,604.32 = 4,625,878.56/x
  3. Step 3: Cross multiply
    7,863,221.76x = 11,790,604.32 × 4,625,878.56
  4. Step 4: Simplify right side
    7,863,221.76x = 54,541,903,733,331.38
  5. Step 5: Solve for x
    x = 54,541,903,733,331.38/7,863,221.76
  6. Step 6: Final answer
    x = 6,936,330.35

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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.