Home / 13,768,043.08-20,649,343.02-13,085,258.44

Finding the Fourth Proportional to 13,768,043.08, 20,649,343.02 and 13,085,258.44

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Solution

The fourth proportional to 13,768,043.08, 20,649,343.02 and 13,085,258.44 is: 19,625,301.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768,043.08 : 20,649,343.02 = 13,085,258.44 : x
  2. Step 2: Convert to fraction form
    13,768,043.08/20,649,343.02 = 13,085,258.44/x
  3. Step 3: Cross multiply
    13,768,043.08x = 20,649,343.02 × 13,085,258.44
  4. Step 4: Simplify right side
    13,768,043.08x = 270,201,990,032,910.06
  5. Step 5: Solve for x
    x = 270,201,990,032,910.06/13,768,043.08
  6. Step 6: Final answer
    x = 19,625,301.03

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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.