Home / 8,611,343.37-11,895,740.87-8,157,847.05

Finding the Fourth Proportional to 8,611,343.37, 11,895,740.87 and 8,157,847.05

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Solution

The fourth proportional to 8,611,343.37, 11,895,740.87 and 8,157,847.05 is: 11,269,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611,343.37 : 11,895,740.87 = 8,157,847.05 : x
  2. Step 2: Convert to fraction form
    8,611,343.37/11,895,740.87 = 8,157,847.05/x
  3. Step 3: Cross multiply
    8,611,343.37x = 11,895,740.87 × 8,157,847.05
  4. Step 4: Simplify right side
    8,611,343.37x = 97,043,634,523,104.70
  5. Step 5: Solve for x
    x = 97,043,634,523,104.70/8,611,343.37
  6. Step 6: Final answer
    x = 11,269,279.41

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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.