Finding the Fourth Proportional to 11,239,845.12, 15,509,581.92 and 6,344,464.32
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Solution
The fourth proportional to 11,239,845.12, 15,509,581.92 and 6,344,464.32 is: 8,754,568.06
Step by Step Solution
- Step 1: Write the proportion equation
11,239,845.12 : 15,509,581.92 = 6,344,464.32 : x - Step 2: Convert to fraction form
11,239,845.12/15,509,581.92 = 6,344,464.32/x - Step 3: Cross multiply
11,239,845.12x = 15,509,581.92 × 6,344,464.32 - Step 4: Simplify right side
11,239,845.12x = 98,399,989,109,557.09 - Step 5: Solve for x
x = 98,399,989,109,557.09/11,239,845.12 - Step 6: Final answer
x = 8,754,568.06
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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.