Home / 7,974,907.20-11,965,125.60-3,490,401.60

Finding the Fourth Proportional to 7,974,907.20, 11,965,125.60 and 3,490,401.60

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Solution

The fourth proportional to 7,974,907.20, 11,965,125.60 and 3,490,401.60 is: 5,236,812.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974,907.20 : 11,965,125.60 = 3,490,401.60 : x
  2. Step 2: Convert to fraction form
    7,974,907.20/11,965,125.60 = 3,490,401.60/x
  3. Step 3: Cross multiply
    7,974,907.20x = 11,965,125.60 × 3,490,401.60
  4. Step 4: Simplify right side
    7,974,907.20x = 41,763,093,538,440.96
  5. Step 5: Solve for x
    x = 41,763,093,538,440.96/7,974,907.20
  6. Step 6: Final answer
    x = 5,236,812.48

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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.