Home / 7,869,974.80-11,804,962.20-2,821,795.60

Finding the Fourth Proportional to 7,869,974.80, 11,804,962.20 and 2,821,795.60

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Solution

The fourth proportional to 7,869,974.80, 11,804,962.20 and 2,821,795.60 is: 4,232,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,869,974.80 : 11,804,962.20 = 2,821,795.60 : x
  2. Step 2: Convert to fraction form
    7,869,974.80/11,804,962.20 = 2,821,795.60/x
  3. Step 3: Cross multiply
    7,869,974.80x = 11,804,962.20 × 2,821,795.60
  4. Step 4: Simplify right side
    7,869,974.80x = 33,311,190,394,126.32
  5. Step 5: Solve for x
    x = 33,311,190,394,126.32/7,869,974.80
  6. Step 6: Final answer
    x = 4,232,693.40

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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.