Home / 13,788,035.20-20,682,052.80-3,690,656.20

Finding the Fourth Proportional to 13,788,035.20, 20,682,052.80 and 3,690,656.20

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Solution

The fourth proportional to 13,788,035.20, 20,682,052.80 and 3,690,656.20 is: 5,535,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788,035.20 : 20,682,052.80 = 3,690,656.20 : x
  2. Step 2: Convert to fraction form
    13,788,035.20/20,682,052.80 = 3,690,656.20/x
  3. Step 3: Cross multiply
    13,788,035.20x = 20,682,052.80 × 3,690,656.20
  4. Step 4: Simplify right side
    13,788,035.20x = 76,330,346,395,047.36
  5. Step 5: Solve for x
    x = 76,330,346,395,047.36/13,788,035.20
  6. Step 6: Final answer
    x = 5,535,984.30

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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.