Home / 7,770,815.80-11,643,782.10-4,925,836.60

Finding the Fourth Proportional to 7,770,815.80, 11,643,782.10 and 4,925,836.60

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Solution

The fourth proportional to 7,770,815.80, 11,643,782.10 and 4,925,836.60 is: 7,380,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,815.80 : 11,643,782.10 = 4,925,836.60 : x
  2. Step 2: Convert to fraction form
    7,770,815.80/11,643,782.10 = 4,925,836.60/x
  3. Step 3: Cross multiply
    7,770,815.80x = 11,643,782.10 × 4,925,836.60
  4. Step 4: Simplify right side
    7,770,815.80x = 57,355,368,030,604.85
  5. Step 5: Solve for x
    x = 57,355,368,030,604.85/7,770,815.80
  6. Step 6: Final answer
    x = 7,380,868.30

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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.