Finding the Fourth Proportional to 7,405,994.16, 11,099,212.92 and 3,985,876.08
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Solution
The fourth proportional to 7,405,994.16, 11,099,212.92 and 3,985,876.08 is: 5,973,551.47
Step by Step Solution
- Step 1: Write the proportion equation
7,405,994.16 : 11,099,212.92 = 3,985,876.08 : x - Step 2: Convert to fraction form
7,405,994.16/11,099,212.92 = 3,985,876.08/x - Step 3: Cross multiply
7,405,994.16x = 11,099,212.92 × 3,985,876.08 - Step 4: Simplify right side
7,405,994.16x = 44,240,087,284,654.95 - Step 5: Solve for x
x = 44,240,087,284,654.95/7,405,994.16 - Step 6: Final answer
x = 5,973,551.47
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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.