Home / 13,608,723.60-20,413,085.40-8,790,325.20

Finding the Fourth Proportional to 13,608,723.60, 20,413,085.40 and 8,790,325.20

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Solution

The fourth proportional to 13,608,723.60, 20,413,085.40 and 8,790,325.20 is: 13,185,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,723.60 : 20,413,085.40 = 8,790,325.20 : x
  2. Step 2: Convert to fraction form
    13,608,723.60/20,413,085.40 = 8,790,325.20/x
  3. Step 3: Cross multiply
    13,608,723.60x = 20,413,085.40 × 8,790,325.20
  4. Step 4: Simplify right side
    13,608,723.60x = 179,437,659,001,372.06
  5. Step 5: Solve for x
    x = 179,437,659,001,372.06/13,608,723.60
  6. Step 6: Final answer
    x = 13,185,487.80

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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.