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Finding the Fourth Proportional to 8,984,806.40, 13,477,209.60 and 8,014,361.60

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Solution

The fourth proportional to 8,984,806.40, 13,477,209.60 and 8,014,361.60 is: 12,021,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984,806.40 : 13,477,209.60 = 8,014,361.60 : x
  2. Step 2: Convert to fraction form
    8,984,806.40/13,477,209.60 = 8,014,361.60/x
  3. Step 3: Cross multiply
    8,984,806.40x = 13,477,209.60 × 8,014,361.60
  4. Step 4: Simplify right side
    8,984,806.40x = 108,011,231,093,391.36
  5. Step 5: Solve for x
    x = 108,011,231,093,391.36/8,984,806.40
  6. Step 6: Final answer
    x = 12,021,542.40

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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.