Home / 34,085,083.62-47,038,576.20-20,158,376.97

Finding the Fourth Proportional to 34,085,083.62, 47,038,576.20 and 20,158,376.97

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Solution

The fourth proportional to 34,085,083.62, 47,038,576.20 and 20,158,376.97 is: 27,819,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,085,083.62 : 47,038,576.20 = 20,158,376.97 : x
  2. Step 2: Convert to fraction form
    34,085,083.62/47,038,576.20 = 20,158,376.97/x
  3. Step 3: Cross multiply
    34,085,083.62x = 47,038,576.20 × 20,158,376.97
  4. Step 4: Simplify right side
    34,085,083.62x = 948,221,351,171,670.12
  5. Step 5: Solve for x
    x = 948,221,351,171,670.12/34,085,083.62
  6. Step 6: Final answer
    x = 27,819,246.73

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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.