Home / 8,489,320.32-11,716,277.76-5,005,447.68

Finding the Fourth Proportional to 8,489,320.32, 11,716,277.76 and 5,005,447.68

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Solution

The fourth proportional to 8,489,320.32, 11,716,277.76 and 5,005,447.68 is: 6,908,116.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,320.32 : 11,716,277.76 = 5,005,447.68 : x
  2. Step 2: Convert to fraction form
    8,489,320.32/11,716,277.76 = 5,005,447.68/x
  3. Step 3: Cross multiply
    8,489,320.32x = 11,716,277.76 × 5,005,447.68
  4. Step 4: Simplify right side
    8,489,320.32x = 58,645,215,332,027.59
  5. Step 5: Solve for x
    x = 58,645,215,332,027.59/8,489,320.32
  6. Step 6: Final answer
    x = 6,908,116.68

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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.