Finding the Fourth Proportional to 20,771,193.48, 31,128,939.62 and 16,165,740.54
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Solution
The fourth proportional to 20,771,193.48, 31,128,939.62 and 16,165,740.54 is: 24,226,935.33
Step by Step Solution
- Step 1: Write the proportion equation
20,771,193.48 : 31,128,939.62 = 16,165,740.54 : x - Step 2: Convert to fraction form
20,771,193.48/31,128,939.62 = 16,165,740.54/x - Step 3: Cross multiply
20,771,193.48x = 31,128,939.62 × 16,165,740.54 - Step 4: Simplify right side
20,771,193.48x = 503,222,361,182,246.19 - Step 5: Solve for x
x = 503,222,361,182,246.19/20,771,193.48 - Step 6: Final answer
x = 24,226,935.33
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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.