Home / 10,856,511.66-16,259,964.45-5,180,721.90

Finding the Fourth Proportional to 10,856,511.66, 16,259,964.45 and 5,180,721.90

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Solution

The fourth proportional to 10,856,511.66, 16,259,964.45 and 5,180,721.90 is: 7,759,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856,511.66 : 16,259,964.45 = 5,180,721.90 : x
  2. Step 2: Convert to fraction form
    10,856,511.66/16,259,964.45 = 5,180,721.90/x
  3. Step 3: Cross multiply
    10,856,511.66x = 16,259,964.45 × 5,180,721.90
  4. Step 4: Simplify right side
    10,856,511.66x = 84,238,353,919,336.45
  5. Step 5: Solve for x
    x = 84,238,353,919,336.45/10,856,511.66
  6. Step 6: Final answer
    x = 7,759,246.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.