Home / 7,455,721.92-11,166,780.96-5,221,832.64

Finding the Fourth Proportional to 7,455,721.92, 11,166,780.96 and 5,221,832.64

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Solution

The fourth proportional to 7,455,721.92, 11,166,780.96 and 5,221,832.64 is: 7,820,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455,721.92 : 11,166,780.96 = 5,221,832.64 : x
  2. Step 2: Convert to fraction form
    7,455,721.92/11,166,780.96 = 5,221,832.64/x
  3. Step 3: Cross multiply
    7,455,721.92x = 11,166,780.96 × 5,221,832.64
  4. Step 4: Simplify right side
    7,455,721.92x = 58,311,061,300,658.54
  5. Step 5: Solve for x
    x = 58,311,061,300,658.54/7,455,721.92
  6. Step 6: Final answer
    x = 7,820,981.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.