Finding the Fourth Proportional to 29,509,175.88, 40,722,583.55 and 16,456,449.11
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Solution
The fourth proportional to 29,509,175.88, 40,722,583.55 and 16,456,449.11 is: 22,709,855.61
Step by Step Solution
- Step 1: Write the proportion equation
29,509,175.88 : 40,722,583.55 = 16,456,449.11 : x - Step 2: Convert to fraction form
29,509,175.88/40,722,583.55 = 16,456,449.11/x - Step 3: Cross multiply
29,509,175.88x = 40,722,583.55 × 16,456,449.11 - Step 4: Simplify right side
29,509,175.88x = 670,149,123,532,403 - Step 5: Solve for x
x = 670,149,123,532,403/29,509,175.88 - Step 6: Final answer
x = 22,709,855.61
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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.