Home / 13,659,219.36-20,486,029.68-5,020,342.56

Finding the Fourth Proportional to 13,659,219.36, 20,486,029.68 and 5,020,342.56

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Solution

The fourth proportional to 13,659,219.36, 20,486,029.68 and 5,020,342.56 is: 7,529,484.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659,219.36 : 20,486,029.68 = 5,020,342.56 : x
  2. Step 2: Convert to fraction form
    13,659,219.36/20,486,029.68 = 5,020,342.56/x
  3. Step 3: Cross multiply
    13,659,219.36x = 20,486,029.68 × 5,020,342.56
  4. Step 4: Simplify right side
    13,659,219.36x = 102,846,886,687,927.17
  5. Step 5: Solve for x
    x = 102,846,886,687,927.17/13,659,219.36
  6. Step 6: Final answer
    x = 7,529,484.96

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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.