Home / 30,912,392.74-46,368,749.07-18,123,929.38

Finding the Fourth Proportional to 30,912,392.74, 46,368,749.07 and 18,123,929.38

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Solution

The fourth proportional to 30,912,392.74, 46,368,749.07 and 18,123,929.38 is: 27,185,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,912,392.74 : 46,368,749.07 = 18,123,929.38 : x
  2. Step 2: Convert to fraction form
    30,912,392.74/46,368,749.07 = 18,123,929.38/x
  3. Step 3: Cross multiply
    30,912,392.74x = 46,368,749.07 × 18,123,929.38
  4. Step 4: Simplify right side
    30,912,392.74x = 840,383,933,583,620.62
  5. Step 5: Solve for x
    x = 840,383,933,583,620.62/30,912,392.74
  6. Step 6: Final answer
    x = 27,185,987.85

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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.