Home / 27,507,921.20-41,261,881.80-7,315,204.40

Finding the Fourth Proportional to 27,507,921.20, 41,261,881.80 and 7,315,204.40

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Solution

The fourth proportional to 27,507,921.20, 41,261,881.80 and 7,315,204.40 is: 10,972,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,507,921.20 : 41,261,881.80 = 7,315,204.40 : x
  2. Step 2: Convert to fraction form
    27,507,921.20/41,261,881.80 = 7,315,204.40/x
  3. Step 3: Cross multiply
    27,507,921.20x = 41,261,881.80 × 7,315,204.40
  4. Step 4: Simplify right side
    27,507,921.20x = 301,839,099,295,639.94
  5. Step 5: Solve for x
    x = 301,839,099,295,639.94/27,507,921.20
  6. Step 6: Final answer
    x = 10,972,806.60

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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.