Finding the Fourth Proportional to 11,397,659.70, 15,728,944.41 and 6,241,501.02
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Solution
The fourth proportional to 11,397,659.70, 15,728,944.41 and 6,241,501.02 is: 8,613,366.71
Step by Step Solution
- Step 1: Write the proportion equation
11,397,659.70 : 15,728,944.41 = 6,241,501.02 : x - Step 2: Convert to fraction form
11,397,659.70/15,728,944.41 = 6,241,501.02/x - Step 3: Cross multiply
11,397,659.70x = 15,728,944.41 × 6,241,501.02 - Step 4: Simplify right side
11,397,659.70x = 98,172,222,578,538.30 - Step 5: Solve for x
x = 98,172,222,578,538.30/11,397,659.70 - Step 6: Final answer
x = 8,613,366.71
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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.