Home / 19,072,005.10-28,608,007.65-4,694,958.70

Finding the Fourth Proportional to 19,072,005.10, 28,608,007.65 and 4,694,958.70

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Solution

The fourth proportional to 19,072,005.10, 28,608,007.65 and 4,694,958.70 is: 7,042,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072,005.10 : 28,608,007.65 = 4,694,958.70 : x
  2. Step 2: Convert to fraction form
    19,072,005.10/28,608,007.65 = 4,694,958.70/x
  3. Step 3: Cross multiply
    19,072,005.10x = 28,608,007.65 × 4,694,958.70
  4. Step 4: Simplify right side
    19,072,005.10x = 134,313,414,406,034.05
  5. Step 5: Solve for x
    x = 134,313,414,406,034.05/19,072,005.10
  6. Step 6: Final answer
    x = 7,042,438.05

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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.