Finding the Fourth Proportional to 9,165,120.84, 12,647,871.63 and 5,035,418.19
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Solution
The fourth proportional to 9,165,120.84, 12,647,871.63 and 5,035,418.19 is: 6,948,879.78
Step by Step Solution
- Step 1: Write the proportion equation
9,165,120.84 : 12,647,871.63 = 5,035,418.19 : x - Step 2: Convert to fraction form
9,165,120.84/12,647,871.63 = 5,035,418.19/x - Step 3: Cross multiply
9,165,120.84x = 12,647,871.63 × 5,035,418.19 - Step 4: Simplify right side
9,165,120.84x = 63,687,322,870,486.96 - Step 5: Solve for x
x = 63,687,322,870,486.96/9,165,120.84 - Step 6: Final answer
x = 6,948,879.78
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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.