Home / 31,339,515.86-46,984,550.33-19,800,661.68

Finding the Fourth Proportional to 31,339,515.86, 46,984,550.33 and 19,800,661.68

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Solution

The fourth proportional to 31,339,515.86, 46,984,550.33 and 19,800,661.68 is: 29,685,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,339,515.86 : 46,984,550.33 = 19,800,661.68 : x
  2. Step 2: Convert to fraction form
    31,339,515.86/46,984,550.33 = 19,800,661.68/x
  3. Step 3: Cross multiply
    31,339,515.86x = 46,984,550.33 × 19,800,661.68
  4. Step 4: Simplify right side
    31,339,515.86x = 930,325,185,036,339.62
  5. Step 5: Solve for x
    x = 930,325,185,036,339.62/31,339,515.86
  6. Step 6: Final answer
    x = 29,685,371.95

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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.