Home / 11,237,200.70-16,855,801.05-8,367,419.30

Finding the Fourth Proportional to 11,237,200.70, 16,855,801.05 and 8,367,419.30

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Solution

The fourth proportional to 11,237,200.70, 16,855,801.05 and 8,367,419.30 is: 12,551,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237,200.70 : 16,855,801.05 = 8,367,419.30 : x
  2. Step 2: Convert to fraction form
    11,237,200.70/16,855,801.05 = 8,367,419.30/x
  3. Step 3: Cross multiply
    11,237,200.70x = 16,855,801.05 × 8,367,419.30
  4. Step 4: Simplify right side
    11,237,200.70x = 141,039,555,022,730.28
  5. Step 5: Solve for x
    x = 141,039,555,022,730.28/11,237,200.70
  6. Step 6: Final answer
    x = 12,551,128.95

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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.