Home / 7,022,436.75-9,690,962.72-3,803,172.75

Finding the Fourth Proportional to 7,022,436.75, 9,690,962.72 and 3,803,172.75

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Solution

The fourth proportional to 7,022,436.75, 9,690,962.72 and 3,803,172.75 is: 5,248,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022,436.75 : 9,690,962.72 = 3,803,172.75 : x
  2. Step 2: Convert to fraction form
    7,022,436.75/9,690,962.72 = 3,803,172.75/x
  3. Step 3: Cross multiply
    7,022,436.75x = 9,690,962.72 × 3,803,172.75
  4. Step 4: Simplify right side
    7,022,436.75x = 36,856,405,318,954.02
  5. Step 5: Solve for x
    x = 36,856,405,318,954.02/7,022,436.75
  6. Step 6: Final answer
    x = 5,248,378.40

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Why These Related Problems?

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