Home / 13,826,997.77-19,078,408.26-7,945,495.94

Finding the Fourth Proportional to 13,826,997.77, 19,078,408.26 and 7,945,495.94

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Solution

The fourth proportional to 13,826,997.77, 19,078,408.26 and 7,945,495.94 is: 10,963,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826,997.77 : 19,078,408.26 = 7,945,495.94 : x
  2. Step 2: Convert to fraction form
    13,826,997.77/19,078,408.26 = 7,945,495.94/x
  3. Step 3: Cross multiply
    13,826,997.77x = 19,078,408.26 × 7,945,495.94
  4. Step 4: Simplify right side
    13,826,997.77x = 151,587,415,371,492.50
  5. Step 5: Solve for x
    x = 151,587,415,371,492.50/13,826,997.77
  6. Step 6: Final answer
    x = 10,963,147.45

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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.