Home / 7,310,494.80-10,965,742.20-5,420,926.80

Finding the Fourth Proportional to 7,310,494.80, 10,965,742.20 and 5,420,926.80

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Solution

The fourth proportional to 7,310,494.80, 10,965,742.20 and 5,420,926.80 is: 8,131,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,310,494.80 : 10,965,742.20 = 5,420,926.80 : x
  2. Step 2: Convert to fraction form
    7,310,494.80/10,965,742.20 = 5,420,926.80/x
  3. Step 3: Cross multiply
    7,310,494.80x = 10,965,742.20 × 5,420,926.80
  4. Step 4: Simplify right side
    7,310,494.80x = 59,444,485,773,870.95
  5. Step 5: Solve for x
    x = 59,444,485,773,870.95/7,310,494.80
  6. Step 6: Final answer
    x = 8,131,390.20

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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.