Home / 13,198,465.20-19,797,697.80-11,072,701.20

Finding the Fourth Proportional to 13,198,465.20, 19,797,697.80 and 11,072,701.20

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Solution

The fourth proportional to 13,198,465.20, 19,797,697.80 and 11,072,701.20 is: 16,609,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,198,465.20 : 19,797,697.80 = 11,072,701.20 : x
  2. Step 2: Convert to fraction form
    13,198,465.20/19,797,697.80 = 11,072,701.20/x
  3. Step 3: Cross multiply
    13,198,465.20x = 19,797,697.80 × 11,072,701.20
  4. Step 4: Simplify right side
    13,198,465.20x = 219,213,992,187,297.34
  5. Step 5: Solve for x
    x = 219,213,992,187,297.34/13,198,465.20
  6. Step 6: Final answer
    x = 16,609,051.80

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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.