Home / 18,253,293.78-25,190,944.43-10,412,978.66

Finding the Fourth Proportional to 18,253,293.78, 25,190,944.43 and 10,412,978.66

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Solution

The fourth proportional to 18,253,293.78, 25,190,944.43 and 10,412,978.66 is: 14,370,708.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253,293.78 : 25,190,944.43 = 10,412,978.66 : x
  2. Step 2: Convert to fraction form
    18,253,293.78/25,190,944.43 = 10,412,978.66/x
  3. Step 3: Cross multiply
    18,253,293.78x = 25,190,944.43 × 10,412,978.66
  4. Step 4: Simplify right side
    18,253,293.78x = 262,312,766,596,816.25
  5. Step 5: Solve for x
    x = 262,312,766,596,816.25/18,253,293.78
  6. Step 6: Final answer
    x = 14,370,708.64

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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.