Home / 19,201,634.84-28,802,481.43-7,842,083.47

Finding the Fourth Proportional to 19,201,634.84, 28,802,481.43 and 7,842,083.47

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Solution

The fourth proportional to 19,201,634.84, 28,802,481.43 and 7,842,083.47 is: 11,763,137.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201,634.84 : 28,802,481.43 = 7,842,083.47 : x
  2. Step 2: Convert to fraction form
    19,201,634.84/28,802,481.43 = 7,842,083.47/x
  3. Step 3: Cross multiply
    19,201,634.84x = 28,802,481.43 × 7,842,083.47
  4. Step 4: Simplify right side
    19,201,634.84x = 225,871,463,425,573.53
  5. Step 5: Solve for x
    x = 225,871,463,425,573.53/19,201,634.84
  6. Step 6: Final answer
    x = 11,763,137.11

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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.