Finding the Fourth Proportional to 29,037,843.68, 40,072,737.40 and 15,807,403.36
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Solution
The fourth proportional to 29,037,843.68, 40,072,737.40 and 15,807,403.36 is: 21,814,495.97
Step by Step Solution
- Step 1: Write the proportion equation
29,037,843.68 : 40,072,737.40 = 15,807,403.36 : x - Step 2: Convert to fraction form
29,037,843.68/40,072,737.40 = 15,807,403.36/x - Step 3: Cross multiply
29,037,843.68x = 40,072,737.40 × 15,807,403.36 - Step 4: Simplify right side
29,037,843.68x = 633,445,923,821,157.62 - Step 5: Solve for x
x = 633,445,923,821,157.62/29,037,843.68 - Step 6: Final answer
x = 21,814,495.97
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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.