Home / 13,579,188.64-18,738,905.70-7,467,617.14

Finding the Fourth Proportional to 13,579,188.64, 18,738,905.70 and 7,467,617.14

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Solution

The fourth proportional to 13,579,188.64, 18,738,905.70 and 7,467,617.14 is: 10,305,105.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579,188.64 : 18,738,905.70 = 7,467,617.14 : x
  2. Step 2: Convert to fraction form
    13,579,188.64/18,738,905.70 = 7,467,617.14/x
  3. Step 3: Cross multiply
    13,579,188.64x = 18,738,905.70 × 7,467,617.14
  4. Step 4: Simplify right side
    13,579,188.64x = 139,934,973,390,163.69
  5. Step 5: Solve for x
    x = 139,934,973,390,163.69/13,579,188.64
  6. Step 6: Final answer
    x = 10,305,105.64

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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.