Home / 13,608,980.60-20,389,851.30-8,814,201.80

Finding the Fourth Proportional to 13,608,980.60, 20,389,851.30 and 8,814,201.80

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Solution

The fourth proportional to 13,608,980.60, 20,389,851.30 and 8,814,201.80 is: 13,206,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,980.60 : 20,389,851.30 = 8,814,201.80 : x
  2. Step 2: Convert to fraction form
    13,608,980.60/20,389,851.30 = 8,814,201.80/x
  3. Step 3: Cross multiply
    13,608,980.60x = 20,389,851.30 × 8,814,201.80
  4. Step 4: Simplify right side
    13,608,980.60x = 179,720,264,030,192.38
  5. Step 5: Solve for x
    x = 179,720,264,030,192.38/13,608,980.60
  6. Step 6: Final answer
    x = 13,206,004.87

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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.