Home / 13,608,003.60-20,412,005.40-13,146,109.20

Finding the Fourth Proportional to 13,608,003.60, 20,412,005.40 and 13,146,109.20

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Solution

The fourth proportional to 13,608,003.60, 20,412,005.40 and 13,146,109.20 is: 19,719,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,003.60 : 20,412,005.40 = 13,146,109.20 : x
  2. Step 2: Convert to fraction form
    13,608,003.60/20,412,005.40 = 13,146,109.20/x
  3. Step 3: Cross multiply
    13,608,003.60x = 20,412,005.40 × 13,146,109.20
  4. Step 4: Simplify right side
    13,608,003.60x = 268,338,451,979,389.66
  5. Step 5: Solve for x
    x = 268,338,451,979,389.66/13,608,003.60
  6. Step 6: Final answer
    x = 19,719,163.80

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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.