Home / 13,674,861.32-18,871,365.47-7,395,388.64

Finding the Fourth Proportional to 13,674,861.32, 18,871,365.47 and 7,395,388.64

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Solution

The fourth proportional to 13,674,861.32, 18,871,365.47 and 7,395,388.64 is: 10,205,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,861.32 : 18,871,365.47 = 7,395,388.64 : x
  2. Step 2: Convert to fraction form
    13,674,861.32/18,871,365.47 = 7,395,388.64/x
  3. Step 3: Cross multiply
    13,674,861.32x = 18,871,365.47 × 7,395,388.64
  4. Step 4: Simplify right side
    13,674,861.32x = 139,561,081,723,769.42
  5. Step 5: Solve for x
    x = 139,561,081,723,769.42/13,674,861.32
  6. Step 6: Final answer
    x = 10,205,667.06

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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.