Home / 7,210,852.80-9,951,095.52-3,947,613.71

Finding the Fourth Proportional to 7,210,852.80, 9,951,095.52 and 3,947,613.71

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Solution

The fourth proportional to 7,210,852.80, 9,951,095.52 and 3,947,613.71 is: 5,447,771.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,852.80 : 9,951,095.52 = 3,947,613.71 : x
  2. Step 2: Convert to fraction form
    7,210,852.80/9,951,095.52 = 3,947,613.71/x
  3. Step 3: Cross multiply
    7,210,852.80x = 9,951,095.52 × 3,947,613.71
  4. Step 4: Simplify right side
    7,210,852.80x = 39,283,081,054,516.10
  5. Step 5: Solve for x
    x = 39,283,081,054,516.10/7,210,852.80
  6. Step 6: Final answer
    x = 5,447,771.87

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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.