Finding the Fourth Proportional to 14,879,755.64, 20,531,617.62 and 8,767,353.08
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Solution
The fourth proportional to 14,879,755.64, 20,531,617.62 and 8,767,353.08 is: 12,097,506.53
Step by Step Solution
- Step 1: Write the proportion equation
14,879,755.64 : 20,531,617.62 = 8,767,353.08 : x - Step 2: Convert to fraction form
14,879,755.64/20,531,617.62 = 8,767,353.08/x - Step 3: Cross multiply
14,879,755.64x = 20,531,617.62 × 8,767,353.08 - Step 4: Simplify right side
14,879,755.64x = 180,007,940,978,089.28 - Step 5: Solve for x
x = 180,007,940,978,089.28/14,879,755.64 - Step 6: Final answer
x = 12,097,506.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.