Finding the Fourth Proportional to 48,531,463.12, 66,975,071.70 and 28,702,226.53
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Solution
The fourth proportional to 48,531,463.12, 66,975,071.70 and 28,702,226.53 is: 39,610,049.98
Step by Step Solution
- Step 1: Write the proportion equation
48,531,463.12 : 66,975,071.70 = 28,702,226.53 : x - Step 2: Convert to fraction form
48,531,463.12/66,975,071.70 = 28,702,226.53/x - Step 3: Cross multiply
48,531,463.12x = 66,975,071.70 × 28,702,226.53 - Step 4: Simplify right side
48,531,463.12x = 1,922,333,679,796,392.25 - Step 5: Solve for x
x = 1,922,333,679,796,392.25/48,531,463.12 - Step 6: Final answer
x = 39,610,049.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.