Home / 7,901,537.28-10,904,121.81-4,279,865.28

Finding the Fourth Proportional to 7,901,537.28, 10,904,121.81 and 4,279,865.28

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Solution

The fourth proportional to 7,901,537.28, 10,904,121.81 and 4,279,865.28 is: 5,906,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901,537.28 : 10,904,121.81 = 4,279,865.28 : x
  2. Step 2: Convert to fraction form
    7,901,537.28/10,904,121.81 = 4,279,865.28/x
  3. Step 3: Cross multiply
    7,901,537.28x = 10,904,121.81 × 4,279,865.28
  4. Step 4: Simplify right side
    7,901,537.28x = 46,668,172,343,509.77
  5. Step 5: Solve for x
    x = 46,668,172,343,509.77/7,901,537.28
  6. Step 6: Final answer
    x = 5,906,214.28

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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.