Home / 7,541,736.72-11,312,628.12-1,861,961.64

Finding the Fourth Proportional to 7,541,736.72, 11,312,628.12 and 1,861,961.64

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Solution

The fourth proportional to 7,541,736.72, 11,312,628.12 and 1,861,961.64 is: 2,792,948.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541,736.72 : 11,312,628.12 = 1,861,961.64 : x
  2. Step 2: Convert to fraction form
    7,541,736.72/11,312,628.12 = 1,861,961.64/x
  3. Step 3: Cross multiply
    7,541,736.72x = 11,312,628.12 × 1,861,961.64
  4. Step 4: Simplify right side
    7,541,736.72x = 21,063,679,607,025.31
  5. Step 5: Solve for x
    x = 21,063,679,607,025.31/7,541,736.72
  6. Step 6: Final answer
    x = 2,792,948.15

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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.