Home / 8,431,385.25-11,636,887.91-4,809,713.25

Finding the Fourth Proportional to 8,431,385.25, 11,636,887.91 and 4,809,713.25

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Solution

The fourth proportional to 8,431,385.25, 11,636,887.91 and 4,809,713.25 is: 6,638,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,385.25 : 11,636,887.91 = 4,809,713.25 : x
  2. Step 2: Convert to fraction form
    8,431,385.25/11,636,887.91 = 4,809,713.25/x
  3. Step 3: Cross multiply
    8,431,385.25x = 11,636,887.91 × 4,809,713.25
  4. Step 4: Simplify right side
    8,431,385.25x = 55,970,093,945,443.23
  5. Step 5: Solve for x
    x = 55,970,093,945,443.23/8,431,385.25
  6. Step 6: Final answer
    x = 6,638,303.47

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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.