Finding the Fourth Proportional to 38,068,326.22, 52,534,356.84 and 20,664,683.26
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Solution
The fourth proportional to 38,068,326.22, 52,534,356.84 and 20,664,683.26 is: 28,517,299.08
Step by Step Solution
- Step 1: Write the proportion equation
38,068,326.22 : 52,534,356.84 = 20,664,683.26 : x - Step 2: Convert to fraction form
38,068,326.22/52,534,356.84 = 20,664,683.26/x - Step 3: Cross multiply
38,068,326.22x = 52,534,356.84 × 20,664,683.26 - Step 4: Simplify right side
38,068,326.22x = 1,085,605,844,366,414.62 - Step 5: Solve for x
x = 1,085,605,844,366,414.62/38,068,326.22 - Step 6: Final answer
x = 28,517,299.08
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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.