Finding the Fourth Proportional to 20,372,541.84, 30,552,326.28 and 6,723,147.60
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Solution
The fourth proportional to 20,372,541.84, 30,552,326.28 and 6,723,147.60 is: 10,082,580.80
Step by Step Solution
- Step 1: Write the proportion equation
20,372,541.84 : 30,552,326.28 = 6,723,147.60 : x - Step 2: Convert to fraction form
20,372,541.84/30,552,326.28 = 6,723,147.60/x - Step 3: Cross multiply
20,372,541.84x = 30,552,326.28 × 6,723,147.60 - Step 4: Simplify right side
20,372,541.84x = 205,407,799,103,798.94 - Step 5: Solve for x
x = 205,407,799,103,798.94/20,372,541.84 - Step 6: Final answer
x = 10,082,580.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.