Home / 20,042,317.45-27,658,719.62-10,874,960.20

Finding the Fourth Proportional to 20,042,317.45, 27,658,719.62 and 10,874,960.20

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Solution

The fourth proportional to 20,042,317.45, 27,658,719.62 and 10,874,960.20 is: 15,007,619.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042,317.45 : 27,658,719.62 = 10,874,960.20 : x
  2. Step 2: Convert to fraction form
    20,042,317.45/27,658,719.62 = 10,874,960.20/x
  3. Step 3: Cross multiply
    20,042,317.45x = 27,658,719.62 × 10,874,960.20
  4. Step 4: Simplify right side
    20,042,317.45x = 300,787,475,050,459.12
  5. Step 5: Solve for x
    x = 300,787,475,050,459.12/20,042,317.45
  6. Step 6: Final answer
    x = 15,007,619.54

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1.5x scale

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.