Home / 11,687,479.77-16,128,412.69-6,530,883.69

Finding the Fourth Proportional to 11,687,479.77, 16,128,412.69 and 6,530,883.69

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Solution

The fourth proportional to 11,687,479.77, 16,128,412.69 and 6,530,883.69 is: 9,012,446.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,687,479.77 : 16,128,412.69 = 6,530,883.69 : x
  2. Step 2: Convert to fraction form
    11,687,479.77/16,128,412.69 = 6,530,883.69/x
  3. Step 3: Cross multiply
    11,687,479.77x = 16,128,412.69 × 6,530,883.69
  4. Step 4: Simplify right side
    11,687,479.77x = 105,332,787,382,710.03
  5. Step 5: Solve for x
    x = 105,332,787,382,710.03/11,687,479.77
  6. Step 6: Final answer
    x = 9,012,446.61

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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.