Home / 13,494,576-20,236,990.40-5,409,402.24

Finding the Fourth Proportional to 13,494,576, 20,236,990.40 and 5,409,402.24

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Solution

The fourth proportional to 13,494,576, 20,236,990.40 and 5,409,402.24 is: 8,112,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,576 : 20,236,990.40 = 5,409,402.24 : x
  2. Step 2: Convert to fraction form
    13,494,576/20,236,990.40 = 5,409,402.24/x
  3. Step 3: Cross multiply
    13,494,576x = 20,236,990.40 × 5,409,402.24
  4. Step 4: Simplify right side
    13,494,576x = 109,470,021,200,618.50
  5. Step 5: Solve for x
    x = 109,470,021,200,618.50/13,494,576
  6. Step 6: Final answer
    x = 8,112,149.74

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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.