Home / 19,132,940.72-28,684,255.16-9,543,383.12

Finding the Fourth Proportional to 19,132,940.72, 28,684,255.16 and 9,543,383.12

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Solution

The fourth proportional to 19,132,940.72, 28,684,255.16 and 9,543,383.12 is: 14,307,515.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132,940.72 : 28,684,255.16 = 9,543,383.12 : x
  2. Step 2: Convert to fraction form
    19,132,940.72/28,684,255.16 = 9,543,383.12/x
  3. Step 3: Cross multiply
    19,132,940.72x = 28,684,255.16 × 9,543,383.12
  4. Step 4: Simplify right side
    19,132,940.72x = 273,744,836,384,154.09
  5. Step 5: Solve for x
    x = 273,744,836,384,154.09/19,132,940.72
  6. Step 6: Final answer
    x = 14,307,515.01

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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.