Home / 13,938,324.40-20,907,486.60-10,915,015.60

Finding the Fourth Proportional to 13,938,324.40, 20,907,486.60 and 10,915,015.60

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Solution

The fourth proportional to 13,938,324.40, 20,907,486.60 and 10,915,015.60 is: 16,372,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,938,324.40 : 20,907,486.60 = 10,915,015.60 : x
  2. Step 2: Convert to fraction form
    13,938,324.40/20,907,486.60 = 10,915,015.60/x
  3. Step 3: Cross multiply
    13,938,324.40x = 20,907,486.60 × 10,915,015.60
  4. Step 4: Simplify right side
    13,938,324.40x = 228,205,542,395,790.97
  5. Step 5: Solve for x
    x = 228,205,542,395,790.97/13,938,324.40
  6. Step 6: Final answer
    x = 16,372,523.40

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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.