Home / 7,207,043.94-9,945,721.60-3,943,859.38

Finding the Fourth Proportional to 7,207,043.94, 9,945,721.60 and 3,943,859.38

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Solution

The fourth proportional to 7,207,043.94, 9,945,721.60 and 3,943,859.38 is: 5,442,526.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,043.94 : 9,945,721.60 = 3,943,859.38 : x
  2. Step 2: Convert to fraction form
    7,207,043.94/9,945,721.60 = 3,943,859.38/x
  3. Step 3: Cross multiply
    7,207,043.94x = 9,945,721.60 × 3,943,859.38
  4. Step 4: Simplify right side
    7,207,043.94x = 39,224,527,423,028.60
  5. Step 5: Solve for x
    x = 39,224,527,423,028.60/7,207,043.94
  6. Step 6: Final answer
    x = 5,442,526.47

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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.