Home / 30,783,778.14-46,083,609.09-18,616,418.22

Finding the Fourth Proportional to 30,783,778.14, 46,083,609.09 and 18,616,418.22

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Solution

The fourth proportional to 30,783,778.14, 46,083,609.09 and 18,616,418.22 is: 27,868,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,783,778.14 : 46,083,609.09 = 18,616,418.22 : x
  2. Step 2: Convert to fraction form
    30,783,778.14/46,083,609.09 = 18,616,418.22/x
  3. Step 3: Cross multiply
    30,783,778.14x = 46,083,609.09 × 18,616,418.22
  4. Step 4: Simplify right side
    30,783,778.14x = 857,911,739,906,433.62
  5. Step 5: Solve for x
    x = 857,911,739,906,433.62/30,783,778.14
  6. Step 6: Final answer
    x = 27,868,955.40

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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.