Finding the Fourth Proportional to 36,652,021.26, 50,578,403.66 and 20,355,547.02
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Solution
The fourth proportional to 36,652,021.26, 50,578,403.66 and 20,355,547.02 is: 28,089,885.32
Step by Step Solution
- Step 1: Write the proportion equation
36,652,021.26 : 50,578,403.66 = 20,355,547.02 : x - Step 2: Convert to fraction form
36,652,021.26/50,578,403.66 = 20,355,547.02/x - Step 3: Cross multiply
36,652,021.26x = 50,578,403.66 × 20,355,547.02 - Step 4: Simplify right side
36,652,021.26x = 1,029,551,073,897,670 - Step 5: Solve for x
x = 1,029,551,073,897,670/36,652,021.26 - Step 6: Final answer
x = 28,089,885.32
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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.