Finding the Fourth Proportional to 20,771,174.52, 31,128,911.16 and 16,165,721.58
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Solution
The fourth proportional to 20,771,174.52, 31,128,911.16 and 16,165,721.58 is: 24,226,906.88
Step by Step Solution
- Step 1: Write the proportion equation
20,771,174.52 : 31,128,911.16 = 16,165,721.58 : x - Step 2: Convert to fraction form
20,771,174.52/31,128,911.16 = 16,165,721.58/x - Step 3: Cross multiply
20,771,174.52x = 31,128,911.16 × 16,165,721.58 - Step 4: Simplify right side
20,771,174.52x = 503,221,310,901,114.81 - Step 5: Solve for x
x = 503,221,310,901,114.81/20,771,174.52 - Step 6: Final answer
x = 24,226,906.88
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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.