Home / 13,146,409.35-18,142,983.68-7,265,917.16

Finding the Fourth Proportional to 13,146,409.35, 18,142,983.68 and 7,265,917.16

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Solution

The fourth proportional to 13,146,409.35, 18,142,983.68 and 7,265,917.16 is: 10,027,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,409.35 : 18,142,983.68 = 7,265,917.16 : x
  2. Step 2: Convert to fraction form
    13,146,409.35/18,142,983.68 = 7,265,917.16/x
  3. Step 3: Cross multiply
    13,146,409.35x = 18,142,983.68 × 7,265,917.16
  4. Step 4: Simplify right side
    13,146,409.35x = 131,825,416,517,634.20
  5. Step 5: Solve for x
    x = 131,825,416,517,634.20/13,146,409.35
  6. Step 6: Final answer
    x = 10,027,484.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.