Home / 38,858,610.78-58,306,118.04-19,151,994.78

Finding the Fourth Proportional to 38,858,610.78, 58,306,118.04 and 19,151,994.78

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Solution

The fourth proportional to 38,858,610.78, 58,306,118.04 and 19,151,994.78 is: 28,736,963.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,858,610.78 : 58,306,118.04 = 19,151,994.78 : x
  2. Step 2: Convert to fraction form
    38,858,610.78/58,306,118.04 = 19,151,994.78/x
  3. Step 3: Cross multiply
    38,858,610.78x = 58,306,118.04 × 19,151,994.78
  4. Step 4: Simplify right side
    38,858,610.78x = 1,116,678,468,344,143.88
  5. Step 5: Solve for x
    x = 1,116,678,468,344,143.88/38,858,610.78
  6. Step 6: Final answer
    x = 28,736,963.21

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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.