Home / 6,401,306.88-8,819,625.60-4,222,005.12

Finding the Fourth Proportional to 6,401,306.88, 8,819,625.60 and 4,222,005.12

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Solution

The fourth proportional to 6,401,306.88, 8,819,625.60 and 4,222,005.12 is: 5,817,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,401,306.88 : 8,819,625.60 = 4,222,005.12 : x
  2. Step 2: Convert to fraction form
    6,401,306.88/8,819,625.60 = 4,222,005.12/x
  3. Step 3: Cross multiply
    6,401,306.88x = 8,819,625.60 × 4,222,005.12
  4. Step 4: Simplify right side
    6,401,306.88x = 37,236,504,439,683.07
  5. Step 5: Solve for x
    x = 37,236,504,439,683.07/6,401,306.88
  6. Step 6: Final answer
    x = 5,817,015.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.