Finding the Fourth Proportional to 7,997,472.36, 11,994,976.08 and 2,606,109.12
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Solution
The fourth proportional to 7,997,472.36, 11,994,976.08 and 2,606,109.12 is: 3,908,762.06
Step by Step Solution
- Step 1: Write the proportion equation
7,997,472.36 : 11,994,976.08 = 2,606,109.12 : x - Step 2: Convert to fraction form
7,997,472.36/11,994,976.08 = 2,606,109.12/x - Step 3: Cross multiply
7,997,472.36x = 11,994,976.08 × 2,606,109.12 - Step 4: Simplify right side
7,997,472.36x = 31,260,216,556,269.85 - Step 5: Solve for x
x = 31,260,216,556,269.85/7,997,472.36 - Step 6: Final answer
x = 3,908,762.06
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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.