Home / 8,174,780.87-12,262,109.79-2,108,996.95

Finding the Fourth Proportional to 8,174,780.87, 12,262,109.79 and 2,108,996.95

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Solution

The fourth proportional to 8,174,780.87, 12,262,109.79 and 2,108,996.95 is: 3,163,479.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174,780.87 : 12,262,109.79 = 2,108,996.95 : x
  2. Step 2: Convert to fraction form
    8,174,780.87/12,262,109.79 = 2,108,996.95/x
  3. Step 3: Cross multiply
    8,174,780.87x = 12,262,109.79 × 2,108,996.95
  4. Step 4: Simplify right side
    8,174,780.87x = 25,860,752,109,111.12
  5. Step 5: Solve for x
    x = 25,860,752,109,111.12/8,174,780.87
  6. Step 6: Final answer
    x = 3,163,479.55

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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.