Finding the Fourth Proportional to 34,285,418.98, 47,300,408.87 and 19,593,203.06
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Solution
The fourth proportional to 34,285,418.98, 47,300,408.87 and 19,593,203.06 is: 27,030,922.87
Step by Step Solution
- Step 1: Write the proportion equation
34,285,418.98 : 47,300,408.87 = 19,593,203.06 : x - Step 2: Convert to fraction form
34,285,418.98/47,300,408.87 = 19,593,203.06/x - Step 3: Cross multiply
34,285,418.98x = 47,300,408.87 × 19,593,203.06 - Step 4: Simplify right side
34,285,418.98x = 926,766,515,831,220.25 - Step 5: Solve for x
x = 926,766,515,831,220.25/34,285,418.98 - Step 6: Final answer
x = 27,030,922.87
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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.