Home / 11,871,521.78-17,808,708.75-4,193,589.94

Finding the Fourth Proportional to 11,871,521.78, 17,808,708.75 and 4,193,589.94

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Solution

The fourth proportional to 11,871,521.78, 17,808,708.75 and 4,193,589.94 is: 6,290,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871,521.78 : 17,808,708.75 = 4,193,589.94 : x
  2. Step 2: Convert to fraction form
    11,871,521.78/17,808,708.75 = 4,193,589.94/x
  3. Step 3: Cross multiply
    11,871,521.78x = 17,808,708.75 × 4,193,589.94
  4. Step 4: Simplify right side
    11,871,521.78x = 74,682,421,858,389.97
  5. Step 5: Solve for x
    x = 74,682,421,858,389.97/11,871,521.78
  6. Step 6: Final answer
    x = 6,290,888.67

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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.