Finding the Fourth Proportional to 7,418,326.31, 10,237,289.39 and 4,517,716.41
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Solution
The fourth proportional to 7,418,326.31, 10,237,289.39 and 4,517,716.41 is: 6,234,448.09
Step by Step Solution
- Step 1: Write the proportion equation
7,418,326.31 : 10,237,289.39 = 4,517,716.41 : x - Step 2: Convert to fraction form
7,418,326.31/10,237,289.39 = 4,517,716.41/x - Step 3: Cross multiply
7,418,326.31x = 10,237,289.39 × 4,517,716.41 - Step 4: Simplify right side
7,418,326.31x = 46,249,170,265,474.74 - Step 5: Solve for x
x = 46,249,170,265,474.74/7,418,326.31 - Step 6: Final answer
x = 6,234,448.09
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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.