Home / 13,203,798.40-19,787,035.20-8,140,067.20

Finding the Fourth Proportional to 13,203,798.40, 19,787,035.20 and 8,140,067.20

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Solution

The fourth proportional to 13,203,798.40, 19,787,035.20 and 8,140,067.20 is: 12,198,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203,798.40 : 19,787,035.20 = 8,140,067.20 : x
  2. Step 2: Convert to fraction form
    13,203,798.40/19,787,035.20 = 8,140,067.20/x
  3. Step 3: Cross multiply
    13,203,798.40x = 19,787,035.20 × 8,140,067.20
  4. Step 4: Simplify right side
    13,203,798.40x = 161,067,796,216,765.44
  5. Step 5: Solve for x
    x = 161,067,796,216,765.44/13,203,798.40
  6. Step 6: Final answer
    x = 12,198,595.54

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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.