Home / 18,667,776.51-25,760,607.80-10,519,539.39

Finding the Fourth Proportional to 18,667,776.51, 25,760,607.80 and 10,519,539.39

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Solution

The fourth proportional to 18,667,776.51, 25,760,607.80 and 10,519,539.39 is: 14,516,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667,776.51 : 25,760,607.80 = 10,519,539.39 : x
  2. Step 2: Convert to fraction form
    18,667,776.51/25,760,607.80 = 10,519,539.39/x
  3. Step 3: Cross multiply
    18,667,776.51x = 25,760,607.80 × 10,519,539.39
  4. Step 4: Simplify right side
    18,667,776.51x = 270,989,728,409,843.59
  5. Step 5: Solve for x
    x = 270,989,728,409,843.59/18,667,776.51
  6. Step 6: Final answer
    x = 14,516,443.79

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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.