Finding the Fourth Proportional to 9,537,066.55, 13,161,497.93 and 5,463,472.87
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Solution
The fourth proportional to 9,537,066.55, 13,161,497.93 and 5,463,472.87 is: 7,539,790.82
Step by Step Solution
- Step 1: Write the proportion equation
9,537,066.55 : 13,161,497.93 = 5,463,472.87 : x - Step 2: Convert to fraction form
9,537,066.55/13,161,497.93 = 5,463,472.87/x - Step 3: Cross multiply
9,537,066.55x = 13,161,497.93 × 5,463,472.87 - Step 4: Simplify right side
9,537,066.55x = 71,907,486,808,895.05 - Step 5: Solve for x
x = 71,907,486,808,895.05/9,537,066.55 - Step 6: Final answer
x = 7,539,790.82
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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.