Home / 19,008,121.60-28,456,195.20-17,900,819.20

Finding the Fourth Proportional to 19,008,121.60, 28,456,195.20 and 17,900,819.20

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Solution

The fourth proportional to 19,008,121.60, 28,456,195.20 and 17,900,819.20 is: 26,798,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,121.60 : 28,456,195.20 = 17,900,819.20 : x
  2. Step 2: Convert to fraction form
    19,008,121.60/28,456,195.20 = 17,900,819.20/x
  3. Step 3: Cross multiply
    19,008,121.60x = 28,456,195.20 × 17,900,819.20
  4. Step 4: Simplify right side
    19,008,121.60x = 509,389,205,395,107.81
  5. Step 5: Solve for x
    x = 509,389,205,395,107.81/19,008,121.60
  6. Step 6: Final answer
    x = 26,798,503.09

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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.