Home / 30,945,441.20-42,705,732.71-17,007,290.37

Finding the Fourth Proportional to 30,945,441.20, 42,705,732.71 and 17,007,290.37

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Solution

The fourth proportional to 30,945,441.20, 42,705,732.71 and 17,007,290.37 is: 23,470,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,945,441.20 : 42,705,732.71 = 17,007,290.37 : x
  2. Step 2: Convert to fraction form
    30,945,441.20/42,705,732.71 = 17,007,290.37/x
  3. Step 3: Cross multiply
    30,945,441.20x = 42,705,732.71 × 17,007,290.37
  4. Step 4: Simplify right side
    30,945,441.20x = 726,308,796,705,095.25
  5. Step 5: Solve for x
    x = 726,308,796,705,095.25/30,945,441.20
  6. Step 6: Final answer
    x = 23,470,623.42

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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.