Home / 12,200,940.54-16,838,734.95-6,768,782.46

Finding the Fourth Proportional to 12,200,940.54, 16,838,734.95 and 6,768,782.46

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Solution

The fourth proportional to 12,200,940.54, 16,838,734.95 and 6,768,782.46 is: 9,341,717.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200,940.54 : 16,838,734.95 = 6,768,782.46 : x
  2. Step 2: Convert to fraction form
    12,200,940.54/16,838,734.95 = 6,768,782.46/x
  3. Step 3: Cross multiply
    12,200,940.54x = 16,838,734.95 × 6,768,782.46
  4. Step 4: Simplify right side
    12,200,940.54x = 113,977,733,778,148.97
  5. Step 5: Solve for x
    x = 113,977,733,778,148.97/12,200,940.54
  6. Step 6: Final answer
    x = 9,341,717.01

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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.