Home / 30,416,480.85-41,974,570.99-16,478,107.47

Finding the Fourth Proportional to 30,416,480.85, 41,974,570.99 and 16,478,107.47

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Solution

The fourth proportional to 30,416,480.85, 41,974,570.99 and 16,478,107.47 is: 22,739,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416,480.85 : 41,974,570.99 = 16,478,107.47 : x
  2. Step 2: Convert to fraction form
    30,416,480.85/41,974,570.99 = 16,478,107.47/x
  3. Step 3: Cross multiply
    30,416,480.85x = 41,974,570.99 × 16,478,107.47
  4. Step 4: Simplify right side
    30,416,480.85x = 691,661,491,780,364.38
  5. Step 5: Solve for x
    x = 691,661,491,780,364.38/30,416,480.85
  6. Step 6: Final answer
    x = 22,739,694.81

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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.