Home / 19,531,858.80-29,297,788.20-18,536,530.80

Finding the Fourth Proportional to 19,531,858.80, 29,297,788.20 and 18,536,530.80

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Solution

The fourth proportional to 19,531,858.80, 29,297,788.20 and 18,536,530.80 is: 27,804,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531,858.80 : 29,297,788.20 = 18,536,530.80 : x
  2. Step 2: Convert to fraction form
    19,531,858.80/29,297,788.20 = 18,536,530.80/x
  3. Step 3: Cross multiply
    19,531,858.80x = 29,297,788.20 × 18,536,530.80
  4. Step 4: Simplify right side
    19,531,858.80x = 543,079,353,341,176.56
  5. Step 5: Solve for x
    x = 543,079,353,341,176.56/19,531,858.80
  6. Step 6: Final answer
    x = 27,804,796.20

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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.