Finding the Fourth Proportional to 20,864,276.74, 31,292,872.08 and 5,511,733.54
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Solution
The fourth proportional to 20,864,276.74, 31,292,872.08 and 5,511,733.54 is: 8,266,664.34
Step by Step Solution
- Step 1: Write the proportion equation
20,864,276.74 : 31,292,872.08 = 5,511,733.54 : x - Step 2: Convert to fraction form
20,864,276.74/31,292,872.08 = 5,511,733.54/x - Step 3: Cross multiply
20,864,276.74x = 31,292,872.08 × 5,511,733.54 - Step 4: Simplify right side
20,864,276.74x = 172,477,972,606,265.56 - Step 5: Solve for x
x = 172,477,972,606,265.56/20,864,276.74 - Step 6: Final answer
x = 8,266,664.34
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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.