Home / 19,269,401.24-28,901,288.40-5,618,879.48

Finding the Fourth Proportional to 19,269,401.24, 28,901,288.40 and 5,618,879.48

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Solution

The fourth proportional to 19,269,401.24, 28,901,288.40 and 5,618,879.48 is: 8,427,498.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269,401.24 : 28,901,288.40 = 5,618,879.48 : x
  2. Step 2: Convert to fraction form
    19,269,401.24/28,901,288.40 = 5,618,879.48/x
  3. Step 3: Cross multiply
    19,269,401.24x = 28,901,288.40 × 5,618,879.48
  4. Step 4: Simplify right side
    19,269,401.24x = 162,392,856,336,322.03
  5. Step 5: Solve for x
    x = 162,392,856,336,322.03/19,269,401.24
  6. Step 6: Final answer
    x = 8,427,498.83

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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.