Home / 5,471,192.32-8,206,777.45-5,138,252.85

Finding the Fourth Proportional to 5,471,192.32, 8,206,777.45 and 5,138,252.85

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Solution

The fourth proportional to 5,471,192.32, 8,206,777.45 and 5,138,252.85 is: 7,707,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471,192.32 : 8,206,777.45 = 5,138,252.85 : x
  2. Step 2: Convert to fraction form
    5,471,192.32/8,206,777.45 = 5,138,252.85/x
  3. Step 3: Cross multiply
    5,471,192.32x = 8,206,777.45 × 5,138,252.85
  4. Step 4: Simplify right side
    5,471,192.32x = 42,168,497,658,976.46
  5. Step 5: Solve for x
    x = 42,168,497,658,976.46/5,471,192.32
  6. Step 6: Final answer
    x = 7,707,368.93

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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.