Finding the Fourth Proportional to 11,668,408.98, 16,102,662.39 and 6,441,405.09
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Solution
The fourth proportional to 11,668,408.98, 16,102,662.39 and 6,441,405.09 is: 8,889,281.45
Step by Step Solution
- Step 1: Write the proportion equation
11,668,408.98 : 16,102,662.39 = 6,441,405.09 : x - Step 2: Convert to fraction form
11,668,408.98/16,102,662.39 = 6,441,405.09/x - Step 3: Cross multiply
11,668,408.98x = 16,102,662.39 × 6,441,405.09 - Step 4: Simplify right side
11,668,408.98x = 103,723,771,481,497.56 - Step 5: Solve for x
x = 103,723,771,481,497.56/11,668,408.98 - Step 6: Final answer
x = 8,889,281.45
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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.