Home / 19,324,814.80-29,043,209.40-18,988,891.60

Finding the Fourth Proportional to 19,324,814.80, 29,043,209.40 and 18,988,891.60

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Solution

The fourth proportional to 19,324,814.80, 29,043,209.40 and 18,988,891.60 is: 28,538,351.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324,814.80 : 29,043,209.40 = 18,988,891.60 : x
  2. Step 2: Convert to fraction form
    19,324,814.80/29,043,209.40 = 18,988,891.60/x
  3. Step 3: Cross multiply
    19,324,814.80x = 29,043,209.40 × 18,988,891.60
  4. Step 4: Simplify right side
    19,324,814.80x = 551,498,355,012,701.06
  5. Step 5: Solve for x
    x = 551,498,355,012,701.06/19,324,814.80
  6. Step 6: Final answer
    x = 28,538,351.37

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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.