Home / 8,682,780.32-13,026,717.12-3,889,403.36

Finding the Fourth Proportional to 8,682,780.32, 13,026,717.12 and 3,889,403.36

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Solution

The fourth proportional to 8,682,780.32, 13,026,717.12 and 3,889,403.36 is: 5,835,245.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,780.32 : 13,026,717.12 = 3,889,403.36 : x
  2. Step 2: Convert to fraction form
    8,682,780.32/13,026,717.12 = 3,889,403.36/x
  3. Step 3: Cross multiply
    8,682,780.32x = 13,026,717.12 × 3,889,403.36
  4. Step 4: Simplify right side
    8,682,780.32x = 50,666,157,336,297.52
  5. Step 5: Solve for x
    x = 50,666,157,336,297.52/8,682,780.32
  6. Step 6: Final answer
    x = 5,835,245.79

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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.