Home / 13,674,861.40-18,871,365.59-7,395,388.73

Finding the Fourth Proportional to 13,674,861.40, 18,871,365.59 and 7,395,388.73

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Solution

The fourth proportional to 13,674,861.40, 18,871,365.59 and 7,395,388.73 is: 10,205,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,861.40 : 18,871,365.59 = 7,395,388.73 : x
  2. Step 2: Convert to fraction form
    13,674,861.40/18,871,365.59 = 7,395,388.73/x
  3. Step 3: Cross multiply
    13,674,861.40x = 18,871,365.59 × 7,395,388.73
  4. Step 4: Simplify right side
    13,674,861.40x = 139,561,084,309,638.97
  5. Step 5: Solve for x
    x = 139,561,084,309,638.97/13,674,861.40
  6. Step 6: Final answer
    x = 10,205,667.19

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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.