Home / 6,912,021.80-10,368,032.70-1,863,842.60

Finding the Fourth Proportional to 6,912,021.80, 10,368,032.70 and 1,863,842.60

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Solution

The fourth proportional to 6,912,021.80, 10,368,032.70 and 1,863,842.60 is: 2,795,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,021.80 : 10,368,032.70 = 1,863,842.60 : x
  2. Step 2: Convert to fraction form
    6,912,021.80/10,368,032.70 = 1,863,842.60/x
  3. Step 3: Cross multiply
    6,912,021.80x = 10,368,032.70 × 1,863,842.60
  4. Step 4: Simplify right side
    6,912,021.80x = 19,324,381,024,453.02
  5. Step 5: Solve for x
    x = 19,324,381,024,453.02/6,912,021.80
  6. Step 6: Final answer
    x = 2,795,763.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.