Home / 13,513,748.72-20,274,078.37-3,929,127.24

Finding the Fourth Proportional to 13,513,748.72, 20,274,078.37 and 3,929,127.24

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Solution

The fourth proportional to 13,513,748.72, 20,274,078.37 and 3,929,127.24 is: 5,894,695.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,748.72 : 20,274,078.37 = 3,929,127.24 : x
  2. Step 2: Convert to fraction form
    13,513,748.72/20,274,078.37 = 3,929,127.24/x
  3. Step 3: Cross multiply
    13,513,748.72x = 20,274,078.37 × 3,929,127.24
  4. Step 4: Simplify right side
    13,513,748.72x = 79,659,433,579,638.98
  5. Step 5: Solve for x
    x = 79,659,433,579,638.98/13,513,748.72
  6. Step 6: Final answer
    x = 5,894,695.49

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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.