Home / 27,313,778.52-40,965,352.67-7,881,638.35

Finding the Fourth Proportional to 27,313,778.52, 40,965,352.67 and 7,881,638.35

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Solution

The fourth proportional to 27,313,778.52, 40,965,352.67 and 7,881,638.35 is: 11,820,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,313,778.52 : 40,965,352.67 = 7,881,638.35 : x
  2. Step 2: Convert to fraction form
    27,313,778.52/40,965,352.67 = 7,881,638.35/x
  3. Step 3: Cross multiply
    27,313,778.52x = 40,965,352.67 × 7,881,638.35
  4. Step 4: Simplify right side
    27,313,778.52x = 322,874,094,585,738.69
  5. Step 5: Solve for x
    x = 322,874,094,585,738.69/27,313,778.52
  6. Step 6: Final answer
    x = 11,820,923.80

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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.