Home / 7,197,911.56-9,933,116.50-3,934,739.96

Finding the Fourth Proportional to 7,197,911.56, 9,933,116.50 and 3,934,739.96

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Solution

The fourth proportional to 7,197,911.56, 9,933,116.50 and 3,934,739.96 is: 5,429,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197,911.56 : 9,933,116.50 = 3,934,739.96 : x
  2. Step 2: Convert to fraction form
    7,197,911.56/9,933,116.50 = 3,934,739.96/x
  3. Step 3: Cross multiply
    7,197,911.56x = 9,933,116.50 × 3,934,739.96
  4. Step 4: Simplify right side
    7,197,911.56x = 39,084,230,419,885.34
  5. Step 5: Solve for x
    x = 39,084,230,419,885.34/7,197,911.56
  6. Step 6: Final answer
    x = 5,429,940.35

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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.