Home / 13,513,746.27-20,274,074.71-3,929,124.80

Finding the Fourth Proportional to 13,513,746.27, 20,274,074.71 and 3,929,124.80

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Solution

The fourth proportional to 13,513,746.27, 20,274,074.71 and 3,929,124.80 is: 5,894,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,746.27 : 20,274,074.71 = 3,929,124.80 : x
  2. Step 2: Convert to fraction form
    13,513,746.27/20,274,074.71 = 3,929,124.80/x
  3. Step 3: Cross multiply
    13,513,746.27x = 20,274,074.71 × 3,929,124.80
  4. Step 4: Simplify right side
    13,513,746.27x = 79,659,369,746,942.44
  5. Step 5: Solve for x
    x = 79,659,369,746,942.44/13,513,746.27
  6. Step 6: Final answer
    x = 5,894,691.83

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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.