Home / 6,815,912.45-9,405,985.58-3,718,505.34

Finding the Fourth Proportional to 6,815,912.45, 9,405,985.58 and 3,718,505.34

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Solution

The fourth proportional to 6,815,912.45, 9,405,985.58 and 3,718,505.34 is: 5,131,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815,912.45 : 9,405,985.58 = 3,718,505.34 : x
  2. Step 2: Convert to fraction form
    6,815,912.45/9,405,985.58 = 3,718,505.34/x
  3. Step 3: Cross multiply
    6,815,912.45x = 9,405,985.58 × 3,718,505.34
  4. Step 4: Simplify right side
    6,815,912.45x = 34,976,207,588,600.46
  5. Step 5: Solve for x
    x = 34,976,207,588,600.46/6,815,912.45
  6. Step 6: Final answer
    x = 5,131,551.77

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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.