Home / 7,225,922.92-9,974,578.98-5,420,339.56

Finding the Fourth Proportional to 7,225,922.92, 9,974,578.98 and 5,420,339.56

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Solution

The fourth proportional to 7,225,922.92, 9,974,578.98 and 5,420,339.56 is: 7,482,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225,922.92 : 9,974,578.98 = 5,420,339.56 : x
  2. Step 2: Convert to fraction form
    7,225,922.92/9,974,578.98 = 5,420,339.56/x
  3. Step 3: Cross multiply
    7,225,922.92x = 9,974,578.98 × 5,420,339.56
  4. Step 4: Simplify right side
    7,225,922.92x = 54,065,605,039,638.45
  5. Step 5: Solve for x
    x = 54,065,605,039,638.45/7,225,922.92
  6. Step 6: Final answer
    x = 7,482,172.95

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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.