Home / 11,871,441.18-17,808,452.07-3,782,515.50

Finding the Fourth Proportional to 11,871,441.18, 17,808,452.07 and 3,782,515.50

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Solution

The fourth proportional to 11,871,441.18, 17,808,452.07 and 3,782,515.50 is: 5,674,184.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871,441.18 : 17,808,452.07 = 3,782,515.50 : x
  2. Step 2: Convert to fraction form
    11,871,441.18/17,808,452.07 = 3,782,515.50/x
  3. Step 3: Cross multiply
    11,871,441.18x = 17,808,452.07 × 3,782,515.50
  4. Step 4: Simplify right side
    11,871,441.18x = 67,360,745,985,782.09
  5. Step 5: Solve for x
    x = 67,360,745,985,782.09/11,871,441.18
  6. Step 6: Final answer
    x = 5,674,184.37

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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.