Home / 8,419,683.22-11,620,965.44-5,320,238.88

Finding the Fourth Proportional to 8,419,683.22, 11,620,965.44 and 5,320,238.88

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Solution

The fourth proportional to 8,419,683.22, 11,620,965.44 and 5,320,238.88 is: 7,343,068.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419,683.22 : 11,620,965.44 = 5,320,238.88 : x
  2. Step 2: Convert to fraction form
    8,419,683.22/11,620,965.44 = 5,320,238.88/x
  3. Step 3: Cross multiply
    8,419,683.22x = 11,620,965.44 × 5,320,238.88
  4. Step 4: Simplify right side
    8,419,683.22x = 61,826,312,157,024.30
  5. Step 5: Solve for x
    x = 61,826,312,157,024.30/8,419,683.22
  6. Step 6: Final answer
    x = 7,343,068.68

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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.