Home / 18,684,208.88-25,784,973.42-11,806,181.36

Finding the Fourth Proportional to 18,684,208.88, 25,784,973.42 and 11,806,181.36

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Solution

The fourth proportional to 18,684,208.88, 25,784,973.42 and 11,806,181.36 is: 16,293,013.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,208.88 : 25,784,973.42 = 11,806,181.36 : x
  2. Step 2: Convert to fraction form
    18,684,208.88/25,784,973.42 = 11,806,181.36/x
  3. Step 3: Cross multiply
    18,684,208.88x = 25,784,973.42 × 11,806,181.36
  4. Step 4: Simplify right side
    18,684,208.88x = 304,422,072,579,488.75
  5. Step 5: Solve for x
    x = 304,422,072,579,488.75/18,684,208.88
  6. Step 6: Final answer
    x = 16,293,013.77

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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.