Home / 11,871,520.78-17,808,707.25-4,193,588.94

Finding the Fourth Proportional to 11,871,520.78, 17,808,707.25 and 4,193,588.94

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Solution

The fourth proportional to 11,871,520.78, 17,808,707.25 and 4,193,588.94 is: 6,290,887.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871,520.78 : 17,808,707.25 = 4,193,588.94 : x
  2. Step 2: Convert to fraction form
    11,871,520.78/17,808,707.25 = 4,193,588.94/x
  3. Step 3: Cross multiply
    11,871,520.78x = 17,808,707.25 × 4,193,588.94
  4. Step 4: Simplify right side
    11,871,520.78x = 74,682,397,759,297.81
  5. Step 5: Solve for x
    x = 74,682,397,759,297.81/11,871,520.78
  6. Step 6: Final answer
    x = 6,290,887.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.