Home / 7,477,336.87-10,322,172.31-4,379,432.57

Finding the Fourth Proportional to 7,477,336.87, 10,322,172.31 and 4,379,432.57

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Solution

The fourth proportional to 7,477,336.87, 10,322,172.31 and 4,379,432.57 is: 6,045,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477,336.87 : 10,322,172.31 = 4,379,432.57 : x
  2. Step 2: Convert to fraction form
    7,477,336.87/10,322,172.31 = 4,379,432.57/x
  3. Step 3: Cross multiply
    7,477,336.87x = 10,322,172.31 × 4,379,432.57
  4. Step 4: Simplify right side
    7,477,336.87x = 45,205,257,607,566.14
  5. Step 5: Solve for x
    x = 45,205,257,607,566.14/7,477,336.87
  6. Step 6: Final answer
    x = 6,045,636.09

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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.