Home / 13,748,884.89-18,973,156.05-7,469,249.97

Finding the Fourth Proportional to 13,748,884.89, 18,973,156.05 and 7,469,249.97

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Solution

The fourth proportional to 13,748,884.89, 18,973,156.05 and 7,469,249.97 is: 10,307,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748,884.89 : 18,973,156.05 = 7,469,249.97 : x
  2. Step 2: Convert to fraction form
    13,748,884.89/18,973,156.05 = 7,469,249.97/x
  3. Step 3: Cross multiply
    13,748,884.89x = 18,973,156.05 × 7,469,249.97
  4. Step 4: Simplify right side
    13,748,884.89x = 141,715,245,257,267.81
  5. Step 5: Solve for x
    x = 141,715,245,257,267.81/13,748,884.89
  6. Step 6: Final answer
    x = 10,307,399.21

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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.