Home / 18,800,640.84-28,201,058.57-8,558,337.77

Finding the Fourth Proportional to 18,800,640.84, 28,201,058.57 and 8,558,337.77

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Solution

The fourth proportional to 18,800,640.84, 28,201,058.57 and 8,558,337.77 is: 12,837,550.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800,640.84 : 28,201,058.57 = 8,558,337.77 : x
  2. Step 2: Convert to fraction form
    18,800,640.84/28,201,058.57 = 8,558,337.77/x
  3. Step 3: Cross multiply
    18,800,640.84x = 28,201,058.57 × 8,558,337.77
  4. Step 4: Simplify right side
    18,800,640.84x = 241,354,184,529,816.25
  5. Step 5: Solve for x
    x = 241,354,184,529,816.25/18,800,640.84
  6. Step 6: Final answer
    x = 12,837,550.94

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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.