Home / 13,624,378.16-20,430,633.08-3,906,843.76

Finding the Fourth Proportional to 13,624,378.16, 20,430,633.08 and 3,906,843.76

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Solution

The fourth proportional to 13,624,378.16, 20,430,633.08 and 3,906,843.76 is: 5,858,564.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624,378.16 : 20,430,633.08 = 3,906,843.76 : x
  2. Step 2: Convert to fraction form
    13,624,378.16/20,430,633.08 = 3,906,843.76/x
  3. Step 3: Cross multiply
    13,624,378.16x = 20,430,633.08 × 3,906,843.76
  4. Step 4: Simplify right side
    13,624,378.16x = 79,819,291,361,447.56
  5. Step 5: Solve for x
    x = 79,819,291,361,447.56/13,624,378.16
  6. Step 6: Final answer
    x = 5,858,564.00

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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.