Finding the Fourth Proportional to 18,653,211.76, 27,968,420.42 and 8,940,796.70
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Solution
The fourth proportional to 18,653,211.76, 27,968,420.42 and 8,940,796.70 is: 13,405,732.17
Step by Step Solution
- Step 1: Write the proportion equation
18,653,211.76 : 27,968,420.42 = 8,940,796.70 : x - Step 2: Convert to fraction form
18,653,211.76/27,968,420.42 = 8,940,796.70/x - Step 3: Cross multiply
18,653,211.76x = 27,968,420.42 × 8,940,796.70 - Step 4: Simplify right side
18,653,211.76x = 250,059,960,995,348.59 - Step 5: Solve for x
x = 250,059,960,995,348.59/18,653,211.76 - Step 6: Final answer
x = 13,405,732.17
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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.