Home / 18,685,623.60-28,028,435.40-17,551,882.80

Finding the Fourth Proportional to 18,685,623.60, 28,028,435.40 and 17,551,882.80

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Solution

The fourth proportional to 18,685,623.60, 28,028,435.40 and 17,551,882.80 is: 26,327,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685,623.60 : 28,028,435.40 = 17,551,882.80 : x
  2. Step 2: Convert to fraction form
    18,685,623.60/28,028,435.40 = 17,551,882.80/x
  3. Step 3: Cross multiply
    18,685,623.60x = 28,028,435.40 × 17,551,882.80
  4. Step 4: Simplify right side
    18,685,623.60x = 491,951,813,208,171.12
  5. Step 5: Solve for x
    x = 491,951,813,208,171.12/18,685,623.60
  6. Step 6: Final answer
    x = 26,327,824.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.