Home / 7,208,286.48-9,947,461.70-3,900,580.73

Finding the Fourth Proportional to 7,208,286.48, 9,947,461.70 and 3,900,580.73

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Solution

The fourth proportional to 7,208,286.48, 9,947,461.70 and 3,900,580.73 is: 5,382,815.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208,286.48 : 9,947,461.70 = 3,900,580.73 : x
  2. Step 2: Convert to fraction form
    7,208,286.48/9,947,461.70 = 3,900,580.73/x
  3. Step 3: Cross multiply
    7,208,286.48x = 9,947,461.70 × 3,900,580.73
  4. Step 4: Simplify right side
    7,208,286.48x = 38,800,877,350,192.83
  5. Step 5: Solve for x
    x = 38,800,877,350,192.83/7,208,286.48
  6. Step 6: Final answer
    x = 5,382,815.66

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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.