Home / 7,691,830.50-10,617,994.44-4,792,653.78

Finding the Fourth Proportional to 7,691,830.50, 10,617,994.44 and 4,792,653.78

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Solution

The fourth proportional to 7,691,830.50, 10,617,994.44 and 4,792,653.78 is: 6,615,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,830.50 : 10,617,994.44 = 4,792,653.78 : x
  2. Step 2: Convert to fraction form
    7,691,830.50/10,617,994.44 = 4,792,653.78/x
  3. Step 3: Cross multiply
    7,691,830.50x = 10,617,994.44 × 4,792,653.78
  4. Step 4: Simplify right side
    7,691,830.50x = 50,888,371,188,884.98
  5. Step 5: Solve for x
    x = 50,888,371,188,884.98/7,691,830.50
  6. Step 6: Final answer
    x = 6,615,898.67

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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.