Home / 13,921,285.26-19,211,504.76-7,809,844.98

Finding the Fourth Proportional to 13,921,285.26, 19,211,504.76 and 7,809,844.98

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Solution

The fourth proportional to 13,921,285.26, 19,211,504.76 and 7,809,844.98 is: 10,777,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921,285.26 : 19,211,504.76 = 7,809,844.98 : x
  2. Step 2: Convert to fraction form
    13,921,285.26/19,211,504.76 = 7,809,844.98/x
  3. Step 3: Cross multiply
    13,921,285.26x = 19,211,504.76 × 7,809,844.98
  4. Step 4: Simplify right side
    13,921,285.26x = 150,038,874,008,132.12
  5. Step 5: Solve for x
    x = 150,038,874,008,132.12/13,921,285.26
  6. Step 6: Final answer
    x = 10,777,659.62

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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.