Finding the Fourth Proportional to 20,914,917.08, 31,372,351.40 and 7,268,064.62
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Solution
The fourth proportional to 20,914,917.08, 31,372,351.40 and 7,268,064.62 is: 10,902,088.51
Step by Step Solution
- Step 1: Write the proportion equation
20,914,917.08 : 31,372,351.40 = 7,268,064.62 : x - Step 2: Convert to fraction form
20,914,917.08/31,372,351.40 = 7,268,064.62/x - Step 3: Cross multiply
20,914,917.08x = 31,372,351.40 × 7,268,064.62 - Step 4: Simplify right side
20,914,917.08x = 228,016,277,063,345.41 - Step 5: Solve for x
x = 228,016,277,063,345.41/20,914,917.08 - Step 6: Final answer
x = 10,902,088.51
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.