Home / 18,902,600.40-28,353,900.60-14,367,637.20

Finding the Fourth Proportional to 18,902,600.40, 28,353,900.60 and 14,367,637.20

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Solution

The fourth proportional to 18,902,600.40, 28,353,900.60 and 14,367,637.20 is: 21,551,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902,600.40 : 28,353,900.60 = 14,367,637.20 : x
  2. Step 2: Convert to fraction form
    18,902,600.40/28,353,900.60 = 14,367,637.20/x
  3. Step 3: Cross multiply
    18,902,600.40x = 28,353,900.60 × 14,367,637.20
  4. Step 4: Simplify right side
    18,902,600.40x = 407,378,557,025,662.31
  5. Step 5: Solve for x
    x = 407,378,557,025,662.31/18,902,600.40
  6. Step 6: Final answer
    x = 21,551,455.80

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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.