Home / 7,228,579.66-9,975,516.93-3,965,400.70

Finding the Fourth Proportional to 7,228,579.66, 9,975,516.93 and 3,965,400.70

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Solution

The fourth proportional to 7,228,579.66, 9,975,516.93 and 3,965,400.70 is: 5,472,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228,579.66 : 9,975,516.93 = 3,965,400.70 : x
  2. Step 2: Convert to fraction form
    7,228,579.66/9,975,516.93 = 3,965,400.70/x
  3. Step 3: Cross multiply
    7,228,579.66x = 9,975,516.93 × 3,965,400.70
  4. Step 4: Simplify right side
    7,228,579.66x = 39,556,921,817,083.85
  5. Step 5: Solve for x
    x = 39,556,921,817,083.85/7,228,579.66
  6. Step 6: Final answer
    x = 5,472,295.21

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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.