Home / 15,903,134.43-21,940,014.63-9,196,227.75

Finding the Fourth Proportional to 15,903,134.43, 21,940,014.63 and 9,196,227.75

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Solution

The fourth proportional to 15,903,134.43, 21,940,014.63 and 9,196,227.75 is: 12,687,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,903,134.43 : 21,940,014.63 = 9,196,227.75 : x
  2. Step 2: Convert to fraction form
    15,903,134.43/21,940,014.63 = 9,196,227.75/x
  3. Step 3: Cross multiply
    15,903,134.43x = 21,940,014.63 × 9,196,227.75
  4. Step 4: Simplify right side
    15,903,134.43x = 201,765,371,410,297.84
  5. Step 5: Solve for x
    x = 201,765,371,410,297.84/15,903,134.43
  6. Step 6: Final answer
    x = 12,687,144.93

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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.