Finding the Fourth Proportional to 14,021,053.21, 21,029,475.84 and 4,435,185.97
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Solution
The fourth proportional to 14,021,053.21, 21,029,475.84 and 4,435,185.97 is: 6,652,113.42
Step by Step Solution
- Step 1: Write the proportion equation
14,021,053.21 : 21,029,475.84 = 4,435,185.97 : x - Step 2: Convert to fraction form
14,021,053.21/21,029,475.84 = 4,435,185.97/x - Step 3: Cross multiply
14,021,053.21x = 21,029,475.84 × 4,435,185.97 - Step 4: Simplify right side
14,021,053.21x = 93,269,636,202,021.95 - Step 5: Solve for x
x = 93,269,636,202,021.95/14,021,053.21 - Step 6: Final answer
x = 6,652,113.42
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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.