Home / 8,607,321.70-12,907,965.03-2,540,434.66

Finding the Fourth Proportional to 8,607,321.70, 12,907,965.03 and 2,540,434.66

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Solution

The fourth proportional to 8,607,321.70, 12,907,965.03 and 2,540,434.66 is: 3,809,761.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607,321.70 : 12,907,965.03 = 2,540,434.66 : x
  2. Step 2: Convert to fraction form
    8,607,321.70/12,907,965.03 = 2,540,434.66/x
  3. Step 3: Cross multiply
    8,607,321.70x = 12,907,965.03 × 2,540,434.66
  4. Step 4: Simplify right side
    8,607,321.70x = 32,791,841,752,279.94
  5. Step 5: Solve for x
    x = 32,791,841,752,279.94/8,607,321.70
  6. Step 6: Final answer
    x = 3,809,761.37

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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.