Home / 15,164,249.64-20,924,220.75-8,638,006.55

Finding the Fourth Proportional to 15,164,249.64, 20,924,220.75 and 8,638,006.55

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Solution

The fourth proportional to 15,164,249.64, 20,924,220.75 and 8,638,006.55 is: 11,919,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,164,249.64 : 20,924,220.75 = 8,638,006.55 : x
  2. Step 2: Convert to fraction form
    15,164,249.64/20,924,220.75 = 8,638,006.55/x
  3. Step 3: Cross multiply
    15,164,249.64x = 20,924,220.75 × 8,638,006.55
  4. Step 4: Simplify right side
    15,164,249.64x = 180,743,555,787,524.81
  5. Step 5: Solve for x
    x = 180,743,555,787,524.81/15,164,249.64
  6. Step 6: Final answer
    x = 11,919,057.00

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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.