Home / 7,940,475.72-10,951,678.85-5,743,579.58

Finding the Fourth Proportional to 7,940,475.72, 10,951,678.85 and 5,743,579.58

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Solution

The fourth proportional to 7,940,475.72, 10,951,678.85 and 5,743,579.58 is: 7,921,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940,475.72 : 10,951,678.85 = 5,743,579.58 : x
  2. Step 2: Convert to fraction form
    7,940,475.72/10,951,678.85 = 5,743,579.58/x
  3. Step 3: Cross multiply
    7,940,475.72x = 10,951,678.85 × 5,743,579.58
  4. Step 4: Simplify right side
    7,940,475.72x = 62,901,839,077,237.90
  5. Step 5: Solve for x
    x = 62,901,839,077,237.90/7,940,475.72
  6. Step 6: Final answer
    x = 7,921,671.36

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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.