Home / 19,183,556.40-28,775,334.60-13,136,938.80

Finding the Fourth Proportional to 19,183,556.40, 28,775,334.60 and 13,136,938.80

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Solution

The fourth proportional to 19,183,556.40, 28,775,334.60 and 13,136,938.80 is: 19,705,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183,556.40 : 28,775,334.60 = 13,136,938.80 : x
  2. Step 2: Convert to fraction form
    19,183,556.40/28,775,334.60 = 13,136,938.80/x
  3. Step 3: Cross multiply
    19,183,556.40x = 28,775,334.60 × 13,136,938.80
  4. Step 4: Simplify right side
    19,183,556.40x = 378,019,809,589,722.50
  5. Step 5: Solve for x
    x = 378,019,809,589,722.50/19,183,556.40
  6. Step 6: Final answer
    x = 19,705,408.20

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1.5x scale

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.