Finding the Fourth Proportional to 11,910,176.32, 16,436,121.12 and 6,477,707.84
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Solution
The fourth proportional to 11,910,176.32, 16,436,121.12 and 6,477,707.84 is: 8,939,279.13
Step by Step Solution
- Step 1: Write the proportion equation
11,910,176.32 : 16,436,121.12 = 6,477,707.84 : x - Step 2: Convert to fraction form
11,910,176.32/16,436,121.12 = 6,477,707.84/x - Step 3: Cross multiply
11,910,176.32x = 16,436,121.12 × 6,477,707.84 - Step 4: Simplify right side
11,910,176.32x = 106,468,390,638,213.58 - Step 5: Solve for x
x = 106,468,390,638,213.58/11,910,176.32 - Step 6: Final answer
x = 8,939,279.13
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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.