Finding the Fourth Proportional to 11,238,109.84, 15,509,293.84 and 6,344,161.12
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Solution
The fourth proportional to 11,238,109.84, 15,509,293.84 and 6,344,161.12 is: 8,755,338.79
Step by Step Solution
- Step 1: Write the proportion equation
11,238,109.84 : 15,509,293.84 = 6,344,161.12 : x - Step 2: Convert to fraction form
11,238,109.84/15,509,293.84 = 6,344,161.12/x - Step 3: Cross multiply
11,238,109.84x = 15,509,293.84 × 6,344,161.12 - Step 4: Simplify right side
11,238,109.84x = 98,393,458,978,383.50 - Step 5: Solve for x
x = 98,393,458,978,383.50/11,238,109.84 - Step 6: Final answer
x = 8,755,338.79
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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.