Home / 27,819,076.80-41,728,615.20-7,624,286.40

Finding the Fourth Proportional to 27,819,076.80, 41,728,615.20 and 7,624,286.40

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Solution

The fourth proportional to 27,819,076.80, 41,728,615.20 and 7,624,286.40 is: 11,436,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,819,076.80 : 41,728,615.20 = 7,624,286.40 : x
  2. Step 2: Convert to fraction form
    27,819,076.80/41,728,615.20 = 7,624,286.40/x
  3. Step 3: Cross multiply
    27,819,076.80x = 41,728,615.20 × 7,624,286.40
  4. Step 4: Simplify right side
    27,819,076.80x = 318,150,913,360,193.31
  5. Step 5: Solve for x
    x = 318,150,913,360,193.31/27,819,076.80
  6. Step 6: Final answer
    x = 11,436,429.60

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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.