Home / 8,374,858.25-12,555,421.88-2,980,436.85

Finding the Fourth Proportional to 8,374,858.25, 12,555,421.88 and 2,980,436.85

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Solution

The fourth proportional to 8,374,858.25, 12,555,421.88 and 2,980,436.85 is: 4,468,211.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374,858.25 : 12,555,421.88 = 2,980,436.85 : x
  2. Step 2: Convert to fraction form
    8,374,858.25/12,555,421.88 = 2,980,436.85/x
  3. Step 3: Cross multiply
    8,374,858.25x = 12,555,421.88 × 2,980,436.85
  4. Step 4: Simplify right side
    8,374,858.25x = 37,420,642,023,546.09
  5. Step 5: Solve for x
    x = 37,420,642,023,546.09/8,374,858.25
  6. Step 6: Final answer
    x = 4,468,211.99

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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.