Home / 9,196,721.48-12,690,173.94-5,222,855

Finding the Fourth Proportional to 9,196,721.48, 12,690,173.94 and 5,222,855

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Solution

The fourth proportional to 9,196,721.48, 12,690,173.94 and 5,222,855 is: 7,206,800.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,196,721.48 : 12,690,173.94 = 5,222,855 : x
  2. Step 2: Convert to fraction form
    9,196,721.48/12,690,173.94 = 5,222,855/x
  3. Step 3: Cross multiply
    9,196,721.48x = 12,690,173.94 × 5,222,855
  4. Step 4: Simplify right side
    9,196,721.48x = 66,278,938,413,398.70
  5. Step 5: Solve for x
    x = 66,278,938,413,398.70/9,196,721.48
  6. Step 6: Final answer
    x = 7,206,800.66

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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.