Home / 11,810,819.47-16,298,931.09-6,378,311.47

Finding the Fourth Proportional to 11,810,819.47, 16,298,931.09 and 6,378,311.47

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Solution

The fourth proportional to 11,810,819.47, 16,298,931.09 and 6,378,311.47 is: 8,802,069.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810,819.47 : 16,298,931.09 = 6,378,311.47 : x
  2. Step 2: Convert to fraction form
    11,810,819.47/16,298,931.09 = 6,378,311.47/x
  3. Step 3: Cross multiply
    11,810,819.47x = 16,298,931.09 × 6,378,311.47
  4. Step 4: Simplify right side
    11,810,819.47x = 103,959,659,120,086.59
  5. Step 5: Solve for x
    x = 103,959,659,120,086.59/11,810,819.47
  6. Step 6: Final answer
    x = 8,802,069.95

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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.