Home / 17,756,021.40-26,618,480.10-12,057,768.60

Finding the Fourth Proportional to 17,756,021.40, 26,618,480.10 and 12,057,768.60

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Solution

The fourth proportional to 17,756,021.40, 26,618,480.10 and 12,057,768.60 is: 18,076,091.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,756,021.40 : 26,618,480.10 = 12,057,768.60 : x
  2. Step 2: Convert to fraction form
    17,756,021.40/26,618,480.10 = 12,057,768.60/x
  3. Step 3: Cross multiply
    17,756,021.40x = 26,618,480.10 × 12,057,768.60
  4. Step 4: Simplify right side
    17,756,021.40x = 320,959,473,529,504.88
  5. Step 5: Solve for x
    x = 320,959,473,529,504.88/17,756,021.40
  6. Step 6: Final answer
    x = 18,076,091.84

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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.