Home / 13,776,092.20-20,664,138.30-11,862,904.60

Finding the Fourth Proportional to 13,776,092.20, 20,664,138.30 and 11,862,904.60

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Solution

The fourth proportional to 13,776,092.20, 20,664,138.30 and 11,862,904.60 is: 17,794,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776,092.20 : 20,664,138.30 = 11,862,904.60 : x
  2. Step 2: Convert to fraction form
    13,776,092.20/20,664,138.30 = 11,862,904.60/x
  3. Step 3: Cross multiply
    13,776,092.20x = 20,664,138.30 × 11,862,904.60
  4. Step 4: Simplify right side
    13,776,092.20x = 245,136,701,294,106.19
  5. Step 5: Solve for x
    x = 245,136,701,294,106.19/13,776,092.20
  6. Step 6: Final answer
    x = 17,794,356.90

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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.