Home / 28,741,718.40-43,120,839.60-16,619,867.52

Finding the Fourth Proportional to 28,741,718.40, 43,120,839.60 and 16,619,867.52

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Solution

The fourth proportional to 28,741,718.40, 43,120,839.60 and 16,619,867.52 is: 24,934,578.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741,718.40 : 43,120,839.60 = 16,619,867.52 : x
  2. Step 2: Convert to fraction form
    28,741,718.40/43,120,839.60 = 16,619,867.52/x
  3. Step 3: Cross multiply
    28,741,718.40x = 43,120,839.60 × 16,619,867.52
  4. Step 4: Simplify right side
    28,741,718.40x = 716,662,641,503,169.75
  5. Step 5: Solve for x
    x = 716,662,641,503,169.75/28,741,718.40
  6. Step 6: Final answer
    x = 24,934,578.77

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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.