Finding the Fourth Proportional to 10,456,257.98, 14,427,277.62 and 6,326,186.43
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Solution
The fourth proportional to 10,456,257.98, 14,427,277.62 and 6,326,186.43 is: 8,728,710.42
Step by Step Solution
- Step 1: Write the proportion equation
10,456,257.98 : 14,427,277.62 = 6,326,186.43 : x - Step 2: Convert to fraction form
10,456,257.98/14,427,277.62 = 6,326,186.43/x - Step 3: Cross multiply
10,456,257.98x = 14,427,277.62 × 6,326,186.43 - Step 4: Simplify right side
10,456,257.98x = 91,269,647,901,486.69 - Step 5: Solve for x
x = 91,269,647,901,486.69/10,456,257.98 - Step 6: Final answer
x = 8,728,710.42
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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.