Home / 18,684,213.77-25,784,980.14-11,806,186.25

Finding the Fourth Proportional to 18,684,213.77, 25,784,980.14 and 11,806,186.25

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Solution

The fourth proportional to 18,684,213.77, 25,784,980.14 and 11,806,186.25 is: 16,293,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,213.77 : 25,784,980.14 = 11,806,186.25 : x
  2. Step 2: Convert to fraction form
    18,684,213.77/25,784,980.14 = 11,806,186.25/x
  3. Step 3: Cross multiply
    18,684,213.77x = 25,784,980.14 × 11,806,186.25
  4. Step 4: Simplify right side
    18,684,213.77x = 304,422,277,856,466.19
  5. Step 5: Solve for x
    x = 304,422,277,856,466.19/18,684,213.77
  6. Step 6: Final answer
    x = 16,293,020.50

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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.