Home / 13,375,999.90-20,063,999.85-9,969,766.30

Finding the Fourth Proportional to 13,375,999.90, 20,063,999.85 and 9,969,766.30

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Solution

The fourth proportional to 13,375,999.90, 20,063,999.85 and 9,969,766.30 is: 14,954,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375,999.90 : 20,063,999.85 = 9,969,766.30 : x
  2. Step 2: Convert to fraction form
    13,375,999.90/20,063,999.85 = 9,969,766.30/x
  3. Step 3: Cross multiply
    13,375,999.90x = 20,063,999.85 × 9,969,766.30
  4. Step 4: Simplify right side
    13,375,999.90x = 200,033,389,547,735.09
  5. Step 5: Solve for x
    x = 200,033,389,547,735.09/13,375,999.90
  6. Step 6: Final answer
    x = 14,954,649.45

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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.