Finding the Fourth Proportional to 11,757,619.34, 16,226,537.91 and 6,531,644.09
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Solution
The fourth proportional to 11,757,619.34, 16,226,537.91 and 6,531,644.09 is: 9,014,237.27
Step by Step Solution
- Step 1: Write the proportion equation
11,757,619.34 : 16,226,537.91 = 6,531,644.09 : x - Step 2: Convert to fraction form
11,757,619.34/16,226,537.91 = 6,531,644.09/x - Step 3: Cross multiply
11,757,619.34x = 16,226,537.91 × 6,531,644.09 - Step 4: Simplify right side
11,757,619.34x = 105,985,970,441,012.45 - Step 5: Solve for x
x = 105,985,970,441,012.45/11,757,619.34 - Step 6: Final answer
x = 9,014,237.27
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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.