Home / 12,920,537.56-19,383,820.26-4,284,006.28

Finding the Fourth Proportional to 12,920,537.56, 19,383,820.26 and 4,284,006.28

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Solution

The fourth proportional to 12,920,537.56, 19,383,820.26 and 4,284,006.28 is: 6,427,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,920,537.56 : 19,383,820.26 = 4,284,006.28 : x
  2. Step 2: Convert to fraction form
    12,920,537.56/19,383,820.26 = 4,284,006.28/x
  3. Step 3: Cross multiply
    12,920,537.56x = 19,383,820.26 × 4,284,006.28
  4. Step 4: Simplify right side
    12,920,537.56x = 83,040,407,724,231.25
  5. Step 5: Solve for x
    x = 83,040,407,724,231.25/12,920,537.56
  6. Step 6: Final answer
    x = 6,427,008.73

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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.