Home / 13,943,895.82-19,243,043.48-7,749,203.58

Finding the Fourth Proportional to 13,943,895.82, 19,243,043.48 and 7,749,203.58

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Solution

The fourth proportional to 13,943,895.82, 19,243,043.48 and 7,749,203.58 is: 10,694,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,895.82 : 19,243,043.48 = 7,749,203.58 : x
  2. Step 2: Convert to fraction form
    13,943,895.82/19,243,043.48 = 7,749,203.58/x
  3. Step 3: Cross multiply
    13,943,895.82x = 19,243,043.48 × 7,749,203.58
  4. Step 4: Simplify right side
    13,943,895.82x = 149,118,261,444,684.69
  5. Step 5: Solve for x
    x = 149,118,261,444,684.69/13,943,895.82
  6. Step 6: Final answer
    x = 10,694,160.61

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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.