Home / 6,912,021.70-10,368,032.55-1,863,151.30

Finding the Fourth Proportional to 6,912,021.70, 10,368,032.55 and 1,863,151.30

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Solution

The fourth proportional to 6,912,021.70, 10,368,032.55 and 1,863,151.30 is: 2,794,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,021.70 : 10,368,032.55 = 1,863,151.30 : x
  2. Step 2: Convert to fraction form
    6,912,021.70/10,368,032.55 = 1,863,151.30/x
  3. Step 3: Cross multiply
    6,912,021.70x = 10,368,032.55 × 1,863,151.30
  4. Step 4: Simplify right side
    6,912,021.70x = 19,317,213,323,974.82
  5. Step 5: Solve for x
    x = 19,317,213,323,974.82/6,912,021.70
  6. Step 6: Final answer
    x = 2,794,726.95

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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.