Finding the Fourth Proportional to 9,409,459.14, 12,985,277.49 and 5,279,795.82
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Solution
The fourth proportional to 9,409,459.14, 12,985,277.49 and 5,279,795.82 is: 7,286,243.85
Step by Step Solution
- Step 1: Write the proportion equation
9,409,459.14 : 12,985,277.49 = 5,279,795.82 : x - Step 2: Convert to fraction form
9,409,459.14/12,985,277.49 = 5,279,795.82/x - Step 3: Cross multiply
9,409,459.14x = 12,985,277.49 × 5,279,795.82 - Step 4: Simplify right side
9,409,459.14x = 68,559,613,813,242.09 - Step 5: Solve for x
x = 68,559,613,813,242.09/9,409,459.14 - Step 6: Final answer
x = 7,286,243.85
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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.