Home / 7,012,789.94-9,676,912.54-4,072,032.18

Finding the Fourth Proportional to 7,012,789.94, 9,676,912.54 and 4,072,032.18

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Solution

The fourth proportional to 7,012,789.94, 9,676,912.54 and 4,072,032.18 is: 5,618,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012,789.94 : 9,676,912.54 = 4,072,032.18 : x
  2. Step 2: Convert to fraction form
    7,012,789.94/9,676,912.54 = 4,072,032.18/x
  3. Step 3: Cross multiply
    7,012,789.94x = 9,676,912.54 × 4,072,032.18
  4. Step 4: Simplify right side
    7,012,789.94x = 39,404,699,255,745.45
  5. Step 5: Solve for x
    x = 39,404,699,255,745.45/7,012,789.94
  6. Step 6: Final answer
    x = 5,618,976.13

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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.