Finding the Fourth Proportional to 9,537,125.60, 13,161,579.42 and 5,463,531.92
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Solution
The fourth proportional to 9,537,125.60, 13,161,579.42 and 5,463,531.92 is: 7,539,872.32
Step by Step Solution
- Step 1: Write the proportion equation
9,537,125.60 : 13,161,579.42 = 5,463,531.92 : x - Step 2: Convert to fraction form
9,537,125.60/13,161,579.42 = 5,463,531.92/x - Step 3: Cross multiply
9,537,125.60x = 13,161,579.42 × 5,463,531.92 - Step 4: Simplify right side
9,537,125.60x = 71,908,709,278,785.08 - Step 5: Solve for x
x = 71,908,709,278,785.08/9,537,125.60 - Step 6: Final answer
x = 7,539,872.32
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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.