Finding the Fourth Proportional to 21,670,348.98, 29,905,121.57 and 11,747,200.98
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Solution
The fourth proportional to 21,670,348.98, 29,905,121.57 and 11,747,200.98 is: 16,211,159.02
Step by Step Solution
- Step 1: Write the proportion equation
21,670,348.98 : 29,905,121.57 = 11,747,200.98 : x - Step 2: Convert to fraction form
21,670,348.98/29,905,121.57 = 11,747,200.98/x - Step 3: Cross multiply
21,670,348.98x = 29,905,121.57 × 11,747,200.98 - Step 4: Simplify right side
21,670,348.98x = 351,301,473,467,531.38 - Step 5: Solve for x
x = 351,301,473,467,531.38/21,670,348.98 - Step 6: Final answer
x = 16,211,159.02
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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.