Finding the Fourth Proportional to 14,234,427.49, 21,347,223.11 and 5,135,339.57
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Solution
The fourth proportional to 14,234,427.49, 21,347,223.11 and 5,135,339.57 is: 7,701,415.43
Step by Step Solution
- Step 1: Write the proportion equation
14,234,427.49 : 21,347,223.11 = 5,135,339.57 : x - Step 2: Convert to fraction form
14,234,427.49/21,347,223.11 = 5,135,339.57/x - Step 3: Cross multiply
14,234,427.49x = 21,347,223.11 × 5,135,339.57 - Step 4: Simplify right side
14,234,427.49x = 109,625,239,546,401.47 - Step 5: Solve for x
x = 109,625,239,546,401.47/14,234,427.49 - Step 6: Final answer
x = 7,701,415.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.