Finding the Fourth Proportional to 7,953,699.06, 10,976,111.84 and 4,515,940.09
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Solution
The fourth proportional to 7,953,699.06, 10,976,111.84 and 4,515,940.09 is: 6,232,001.37
Step by Step Solution
- Step 1: Write the proportion equation
7,953,699.06 : 10,976,111.84 = 4,515,940.09 : x - Step 2: Convert to fraction form
7,953,699.06/10,976,111.84 = 4,515,940.09/x - Step 3: Cross multiply
7,953,699.06x = 10,976,111.84 × 4,515,940.09 - Step 4: Simplify right side
7,953,699.06x = 49,567,463,474,429.23 - Step 5: Solve for x
x = 49,567,463,474,429.23/7,953,699.06 - Step 6: Final answer
x = 6,232,001.37
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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.