Home / 7,182,696.87-9,912,332.00-3,919,721.85

Finding the Fourth Proportional to 7,182,696.87, 9,912,332.00 and 3,919,721.85

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Solution

The fourth proportional to 7,182,696.87, 9,912,332.00 and 3,919,721.85 is: 5,409,330.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,696.87 : 9,912,332.00 = 3,919,721.85 : x
  2. Step 2: Convert to fraction form
    7,182,696.87/9,912,332.00 = 3,919,721.85/x
  3. Step 3: Cross multiply
    7,182,696.87x = 9,912,332.00 × 3,919,721.85
  4. Step 4: Simplify right side
    7,182,696.87x = 38,853,584,305,255.59
  5. Step 5: Solve for x
    x = 38,853,584,305,255.59/7,182,696.87
  6. Step 6: Final answer
    x = 5,409,330.93

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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.