Home / 30,976,450.42-46,469,969.20-12,770,693.40

Finding the Fourth Proportional to 30,976,450.42, 46,469,969.20 and 12,770,693.40

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Solution

The fourth proportional to 30,976,450.42, 46,469,969.20 and 12,770,693.40 is: 19,158,222.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976,450.42 : 46,469,969.20 = 12,770,693.40 : x
  2. Step 2: Convert to fraction form
    30,976,450.42/46,469,969.20 = 12,770,693.40/x
  3. Step 3: Cross multiply
    30,976,450.42x = 46,469,969.20 × 12,770,693.40
  4. Step 4: Simplify right side
    30,976,450.42x = 593,453,728,960,643.38
  5. Step 5: Solve for x
    x = 593,453,728,960,643.38/30,976,450.42
  6. Step 6: Final answer
    x = 19,158,222.49

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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.