Home / 14,138,845.19-21,209,928.77-5,042,236.03

Finding the Fourth Proportional to 14,138,845.19, 21,209,928.77 and 5,042,236.03

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Solution

The fourth proportional to 14,138,845.19, 21,209,928.77 and 5,042,236.03 is: 7,563,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138,845.19 : 21,209,928.77 = 5,042,236.03 : x
  2. Step 2: Convert to fraction form
    14,138,845.19/21,209,928.77 = 5,042,236.03/x
  3. Step 3: Cross multiply
    14,138,845.19x = 21,209,928.77 × 5,042,236.03
  4. Step 4: Simplify right side
    14,138,845.19x = 106,945,466,997,408.36
  5. Step 5: Solve for x
    x = 106,945,466,997,408.36/14,138,845.19
  6. Step 6: Final answer
    x = 7,563,946.39

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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.