Home / 7,179,177.18-9,907,295.31-3,916,063.02

Finding the Fourth Proportional to 7,179,177.18, 9,907,295.31 and 3,916,063.02

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Solution

The fourth proportional to 7,179,177.18, 9,907,295.31 and 3,916,063.02 is: 5,404,183.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179,177.18 : 9,907,295.31 = 3,916,063.02 : x
  2. Step 2: Convert to fraction form
    7,179,177.18/9,907,295.31 = 3,916,063.02/x
  3. Step 3: Cross multiply
    7,179,177.18x = 9,907,295.31 × 3,916,063.02
  4. Step 4: Simplify right side
    7,179,177.18x = 38,797,592,791,710.44
  5. Step 5: Solve for x
    x = 38,797,592,791,710.44/7,179,177.18
  6. Step 6: Final answer
    x = 5,404,183.77

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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.