Home / 7,974,858.40-11,962,287.60-4,789,808.80

Finding the Fourth Proportional to 7,974,858.40, 11,962,287.60 and 4,789,808.80

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Solution

The fourth proportional to 7,974,858.40, 11,962,287.60 and 4,789,808.80 is: 7,184,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974,858.40 : 11,962,287.60 = 4,789,808.80 : x
  2. Step 2: Convert to fraction form
    7,974,858.40/11,962,287.60 = 4,789,808.80/x
  3. Step 3: Cross multiply
    7,974,858.40x = 11,962,287.60 × 4,789,808.80
  4. Step 4: Simplify right side
    7,974,858.40x = 57,297,070,414,610.88
  5. Step 5: Solve for x
    x = 57,297,070,414,610.88/7,974,858.40
  6. Step 6: Final answer
    x = 7,184,713.20

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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.