Finding the Fourth Proportional to 18,952,405.86, 28,431,753.27 and 6,653,180.97
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Solution
The fourth proportional to 18,952,405.86, 28,431,753.27 and 6,653,180.97 is: 9,980,875.32
Step by Step Solution
- Step 1: Write the proportion equation
18,952,405.86 : 28,431,753.27 = 6,653,180.97 : x - Step 2: Convert to fraction form
18,952,405.86/28,431,753.27 = 6,653,180.97/x - Step 3: Cross multiply
18,952,405.86x = 28,431,753.27 × 6,653,180.97 - Step 4: Simplify right side
18,952,405.86x = 189,161,599,766,433.38 - Step 5: Solve for x
x = 189,161,599,766,433.38/18,952,405.86 - Step 6: Final answer
x = 9,980,875.32
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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.