Finding the Fourth Proportional to 30,168,954.07, 45,253,846.32 and 8,603,558.08
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Solution
The fourth proportional to 30,168,954.07, 45,253,846.32 and 8,603,558.08 is: 12,905,455.53
Step by Step Solution
- Step 1: Write the proportion equation
30,168,954.07 : 45,253,846.32 = 8,603,558.08 : x - Step 2: Convert to fraction form
30,168,954.07/45,253,846.32 = 8,603,558.08/x - Step 3: Cross multiply
30,168,954.07x = 45,253,846.32 × 8,603,558.08 - Step 4: Simplify right side
30,168,954.07x = 389,344,095,157,514.25 - Step 5: Solve for x
x = 389,344,095,157,514.25/30,168,954.07 - Step 6: Final answer
x = 12,905,455.53
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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.