Home / 18,722,222.70-28,085,958.45-7,360,028.70

Finding the Fourth Proportional to 18,722,222.70, 28,085,958.45 and 7,360,028.70

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Solution

The fourth proportional to 18,722,222.70, 28,085,958.45 and 7,360,028.70 is: 11,041,074.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,222.70 : 28,085,958.45 = 7,360,028.70 : x
  2. Step 2: Convert to fraction form
    18,722,222.70/28,085,958.45 = 7,360,028.70/x
  3. Step 3: Cross multiply
    18,722,222.70x = 28,085,958.45 × 7,360,028.70
  4. Step 4: Simplify right side
    18,722,222.70x = 206,713,460,259,007.50
  5. Step 5: Solve for x
    x = 206,713,460,259,007.50/18,722,222.70
  6. Step 6: Final answer
    x = 11,041,074.75

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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.