Home / 11,216,828.80-16,828,077.44-3,129,799.20

Finding the Fourth Proportional to 11,216,828.80, 16,828,077.44 and 3,129,799.20

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Solution

The fourth proportional to 11,216,828.80, 16,828,077.44 and 3,129,799.20 is: 4,695,489.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,216,828.80 : 16,828,077.44 = 3,129,799.20 : x
  2. Step 2: Convert to fraction form
    11,216,828.80/16,828,077.44 = 3,129,799.20/x
  3. Step 3: Cross multiply
    11,216,828.80x = 16,828,077.44 × 3,129,799.20
  4. Step 4: Simplify right side
    11,216,828.80x = 52,668,503,309,250.05
  5. Step 5: Solve for x
    x = 52,668,503,309,250.05/11,216,828.80
  6. Step 6: Final answer
    x = 4,695,489.63

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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.