Home / 11,687,474.77-16,128,405.80-6,530,878.69

Finding the Fourth Proportional to 11,687,474.77, 16,128,405.80 and 6,530,878.69

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Solution

The fourth proportional to 11,687,474.77, 16,128,405.80 and 6,530,878.69 is: 9,012,439.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,474.77 : 16,128,405.80 = 6,530,878.69 : x
  2. Step 2: Convert to fraction form
    11,687,474.77/16,128,405.80 = 6,530,878.69/x
  3. Step 3: Cross multiply
    11,687,474.77x = 16,128,405.80 × 6,530,878.69
  4. Step 4: Simplify right side
    11,687,474.77x = 105,332,661,710,238.02
  5. Step 5: Solve for x
    x = 105,332,661,710,238.02/11,687,474.77
  6. Step 6: Final answer
    x = 9,012,439.71

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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.