Finding the Fourth Proportional to 41,297,248.96, 61,941,837.12 and 12,543,634.24
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Solution
The fourth proportional to 41,297,248.96, 61,941,837.12 and 12,543,634.24 is: 18,814,225.37
Step by Step Solution
- Step 1: Write the proportion equation
41,297,248.96 : 61,941,837.12 = 12,543,634.24 : x - Step 2: Convert to fraction form
41,297,248.96/61,941,837.12 = 12,543,634.24/x - Step 3: Cross multiply
41,297,248.96x = 61,941,837.12 × 12,543,634.24 - Step 4: Simplify right side
41,297,248.96x = 776,975,748,986,935 - Step 5: Solve for x
x = 776,975,748,986,935/41,297,248.96 - Step 6: Final answer
x = 18,814,225.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.