Finding the Fourth Proportional to 18,567,688.10, 27,850,216.66 and 4,920,531.95
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Solution
The fourth proportional to 18,567,688.10, 27,850,216.66 and 4,920,531.95 is: 7,380,449.31
Step by Step Solution
- Step 1: Write the proportion equation
18,567,688.10 : 27,850,216.66 = 4,920,531.95 : x - Step 2: Convert to fraction form
18,567,688.10/27,850,216.66 = 4,920,531.95/x - Step 3: Cross multiply
18,567,688.10x = 27,850,216.66 × 4,920,531.95 - Step 4: Simplify right side
18,567,688.10x = 137,037,880,889,952.30 - Step 5: Solve for x
x = 137,037,880,889,952.30/18,567,688.10 - Step 6: Final answer
x = 7,380,449.31
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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.