Home / 13,998,455.45-20,997,683.18-11,606,970.95

Finding the Fourth Proportional to 13,998,455.45, 20,997,683.18 and 11,606,970.95

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Solution

The fourth proportional to 13,998,455.45, 20,997,683.18 and 11,606,970.95 is: 17,410,456.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,455.45 : 20,997,683.18 = 11,606,970.95 : x
  2. Step 2: Convert to fraction form
    13,998,455.45/20,997,683.18 = 11,606,970.95/x
  3. Step 3: Cross multiply
    13,998,455.45x = 20,997,683.18 × 11,606,970.95
  4. Step 4: Simplify right side
    13,998,455.45x = 243,719,498,629,528.75
  5. Step 5: Solve for x
    x = 243,719,498,629,528.75/13,998,455.45
  6. Step 6: Final answer
    x = 17,410,456.43

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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.