Finding the Fourth Proportional to 20,771,121.44, 31,128,832.04 and 16,165,668.74
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Solution
The fourth proportional to 20,771,121.44, 31,128,832.04 and 16,165,668.74 is: 24,226,828.03
Step by Step Solution
- Step 1: Write the proportion equation
20,771,121.44 : 31,128,832.04 = 16,165,668.74 : x - Step 2: Convert to fraction form
20,771,121.44/31,128,832.04 = 16,165,668.74/x - Step 3: Cross multiply
20,771,121.44x = 31,128,832.04 × 16,165,668.74 - Step 4: Simplify right side
20,771,121.44x = 503,218,386,906,508.44 - Step 5: Solve for x
x = 503,218,386,906,508.44/20,771,121.44 - Step 6: Final answer
x = 24,226,828.03
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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.