Home / 13,477,163.60-20,215,745.40-12,021,496.40

Finding the Fourth Proportional to 13,477,163.60, 20,215,745.40 and 12,021,496.40

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Solution

The fourth proportional to 13,477,163.60, 20,215,745.40 and 12,021,496.40 is: 18,032,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,477,163.60 : 20,215,745.40 = 12,021,496.40 : x
  2. Step 2: Convert to fraction form
    13,477,163.60/20,215,745.40 = 12,021,496.40/x
  3. Step 3: Cross multiply
    13,477,163.60x = 20,215,745.40 × 12,021,496.40
  4. Step 4: Simplify right side
    13,477,163.60x = 243,023,510,549,416.56
  5. Step 5: Solve for x
    x = 243,023,510,549,416.56/13,477,163.60
  6. Step 6: Final answer
    x = 18,032,244.60

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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.