Home / 13,177,940.52-18,172,782.03-10,276,272.66

Finding the Fourth Proportional to 13,177,940.52, 18,172,782.03 and 10,276,272.66

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Solution

The fourth proportional to 13,177,940.52, 18,172,782.03 and 10,276,272.66 is: 14,171,293.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177,940.52 : 18,172,782.03 = 10,276,272.66 : x
  2. Step 2: Convert to fraction form
    13,177,940.52/18,172,782.03 = 10,276,272.66/x
  3. Step 3: Cross multiply
    13,177,940.52x = 18,172,782.03 × 10,276,272.66
  4. Step 4: Simplify right side
    13,177,940.52x = 186,748,463,131,028.31
  5. Step 5: Solve for x
    x = 186,748,463,131,028.31/13,177,940.52
  6. Step 6: Final answer
    x = 14,171,293.52

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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.