Finding the Fourth Proportional to 6,317,112.69, 8,709,716.26 and 5,272,037.09
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Solution
The fourth proportional to 6,317,112.69, 8,709,716.26 and 5,272,037.09 is: 7,268,818.75
Step by Step Solution
- Step 1: Write the proportion equation
6,317,112.69 : 8,709,716.26 = 5,272,037.09 : x - Step 2: Convert to fraction form
6,317,112.69/8,709,716.26 = 5,272,037.09/x - Step 3: Cross multiply
6,317,112.69x = 8,709,716.26 × 5,272,037.09 - Step 4: Simplify right side
6,317,112.69x = 45,917,947,161,798.98 - Step 5: Solve for x
x = 45,917,947,161,798.98/6,317,112.69 - Step 6: Final answer
x = 7,268,818.75
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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.