Home / 8,653,308.90-11,945,243.18-5,391,735.09

Finding the Fourth Proportional to 8,653,308.90, 11,945,243.18 and 5,391,735.09

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Solution

The fourth proportional to 8,653,308.90, 11,945,243.18 and 5,391,735.09 is: 7,442,885.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653,308.90 : 11,945,243.18 = 5,391,735.09 : x
  2. Step 2: Convert to fraction form
    8,653,308.90/11,945,243.18 = 5,391,735.09/x
  3. Step 3: Cross multiply
    8,653,308.90x = 11,945,243.18 × 5,391,735.09
  4. Step 4: Simplify right side
    8,653,308.90x = 64,405,586,785,230.52
  5. Step 5: Solve for x
    x = 64,405,586,785,230.52/8,653,308.90
  6. Step 6: Final answer
    x = 7,442,885.44

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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.