Finding the Fourth Proportional to 16,293,478.80, 24,455,964.60 and 9,916,186.80
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Solution
The fourth proportional to 16,293,478.80, 24,455,964.60 and 9,916,186.80 is: 14,883,863.44
Step by Step Solution
- Step 1: Write the proportion equation
16,293,478.80 : 24,455,964.60 = 9,916,186.80 : x - Step 2: Convert to fraction form
16,293,478.80/24,455,964.60 = 9,916,186.80/x - Step 3: Cross multiply
16,293,478.80x = 24,455,964.60 × 9,916,186.80 - Step 4: Simplify right side
16,293,478.80x = 242,509,913,347,787.31 - Step 5: Solve for x
x = 242,509,913,347,787.31/16,293,478.80 - Step 6: Final answer
x = 14,883,863.44
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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.