Home / 18,693,021.69-25,810,040.64-12,081,524.25

Finding the Fourth Proportional to 18,693,021.69, 25,810,040.64 and 12,081,524.25

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Solution

The fourth proportional to 18,693,021.69, 25,810,040.64 and 12,081,524.25 is: 16,681,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,021.69 : 25,810,040.64 = 12,081,524.25 : x
  2. Step 2: Convert to fraction form
    18,693,021.69/25,810,040.64 = 12,081,524.25/x
  3. Step 3: Cross multiply
    18,693,021.69x = 25,810,040.64 × 12,081,524.25
  4. Step 4: Simplify right side
    18,693,021.69x = 311,824,631,885,645.50
  5. Step 5: Solve for x
    x = 311,824,631,885,645.50/18,693,021.69
  6. Step 6: Final answer
    x = 16,681,339.01

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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.