Home / 8,872,110.36-12,238,857.79-7,707,940.87

Finding the Fourth Proportional to 8,872,110.36, 12,238,857.79 and 7,707,940.87

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Solution

The fourth proportional to 8,872,110.36, 12,238,857.79 and 7,707,940.87 is: 10,632,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872,110.36 : 12,238,857.79 = 7,707,940.87 : x
  2. Step 2: Convert to fraction form
    8,872,110.36/12,238,857.79 = 7,707,940.87/x
  3. Step 3: Cross multiply
    8,872,110.36x = 12,238,857.79 × 7,707,940.87
  4. Step 4: Simplify right side
    8,872,110.36x = 94,336,392,161,658.88
  5. Step 5: Solve for x
    x = 94,336,392,161,658.88/8,872,110.36
  6. Step 6: Final answer
    x = 10,632,914.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.