Home / 7,691,807.78-11,533,452.36-3,146,048.73

Finding the Fourth Proportional to 7,691,807.78, 11,533,452.36 and 3,146,048.73

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Solution

The fourth proportional to 7,691,807.78, 11,533,452.36 and 3,146,048.73 is: 4,717,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691,807.78 : 11,533,452.36 = 3,146,048.73 : x
  2. Step 2: Convert to fraction form
    7,691,807.78/11,533,452.36 = 3,146,048.73/x
  3. Step 3: Cross multiply
    7,691,807.78x = 11,533,452.36 × 3,146,048.73
  4. Step 4: Simplify right side
    7,691,807.78x = 36,284,803,149,693.50
  5. Step 5: Solve for x
    x = 36,284,803,149,693.50/7,691,807.78
  6. Step 6: Final answer
    x = 4,717,330.99

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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.