Home / 18,971,556.89-28,453,077.90-8,726,577.26

Finding the Fourth Proportional to 18,971,556.89, 28,453,077.90 and 8,726,577.26

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Solution

The fourth proportional to 18,971,556.89, 28,453,077.90 and 8,726,577.26 is: 13,087,907.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,971,556.89 : 28,453,077.90 = 8,726,577.26 : x
  2. Step 2: Convert to fraction form
    18,971,556.89/28,453,077.90 = 8,726,577.26/x
  3. Step 3: Cross multiply
    18,971,556.89x = 28,453,077.90 × 8,726,577.26
  4. Step 4: Simplify right side
    18,971,556.89x = 248,297,982,436,883.19
  5. Step 5: Solve for x
    x = 248,297,982,436,883.19/18,971,556.89
  6. Step 6: Final answer
    x = 13,087,907.54

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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.