Home / 7,985,743.92-11,007,415.76-6,240,379.88

Finding the Fourth Proportional to 7,985,743.92, 11,007,415.76 and 6,240,379.88

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Solution

The fourth proportional to 7,985,743.92, 11,007,415.76 and 6,240,379.88 is: 8,601,635.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985,743.92 : 11,007,415.76 = 6,240,379.88 : x
  2. Step 2: Convert to fraction form
    7,985,743.92/11,007,415.76 = 6,240,379.88/x
  3. Step 3: Cross multiply
    7,985,743.92x = 11,007,415.76 × 6,240,379.88
  4. Step 4: Simplify right side
    7,985,743.92x = 68,690,455,835,815.55
  5. Step 5: Solve for x
    x = 68,690,455,835,815.55/7,985,743.92
  6. Step 6: Final answer
    x = 8,601,635.18

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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.