Finding the Fourth Proportional to 12,038,330.84, 18,058,086.74 and 4,848,893.96
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Solution
The fourth proportional to 12,038,330.84, 18,058,086.74 and 4,848,893.96 is: 7,273,578.78
Step by Step Solution
- Step 1: Write the proportion equation
12,038,330.84 : 18,058,086.74 = 4,848,893.96 : x - Step 2: Convert to fraction form
12,038,330.84/18,058,086.74 = 4,848,893.96/x - Step 3: Cross multiply
12,038,330.84x = 18,058,086.74 × 4,848,893.96 - Step 4: Simplify right side
12,038,330.84x = 87,561,747,722,742.08 - Step 5: Solve for x
x = 87,561,747,722,742.08/12,038,330.84 - Step 6: Final answer
x = 7,273,578.78
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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.