Home / 7,867,339.88-11,801,678.22-2,187,564.20

Finding the Fourth Proportional to 7,867,339.88, 11,801,678.22 and 2,187,564.20

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Solution

The fourth proportional to 7,867,339.88, 11,801,678.22 and 2,187,564.20 is: 3,281,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867,339.88 : 11,801,678.22 = 2,187,564.20 : x
  2. Step 2: Convert to fraction form
    7,867,339.88/11,801,678.22 = 2,187,564.20/x
  3. Step 3: Cross multiply
    7,867,339.88x = 11,801,678.22 × 2,187,564.20
  4. Step 4: Simplify right side
    7,867,339.88x = 25,816,928,714,983.33
  5. Step 5: Solve for x
    x = 25,816,928,714,983.33/7,867,339.88
  6. Step 6: Final answer
    x = 3,281,532.15

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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.