Finding the Fourth Proportional to 8,091,073.62, 12,138,382.98 and 3,042,384.12
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Solution
The fourth proportional to 8,091,073.62, 12,138,382.98 and 3,042,384.12 is: 4,564,242.69
Step by Step Solution
- Step 1: Write the proportion equation
8,091,073.62 : 12,138,382.98 = 3,042,384.12 : x - Step 2: Convert to fraction form
8,091,073.62/12,138,382.98 = 3,042,384.12/x - Step 3: Cross multiply
8,091,073.62x = 12,138,382.98 × 3,042,384.12 - Step 4: Simplify right side
8,091,073.62x = 36,929,623,620,830.28 - Step 5: Solve for x
x = 36,929,623,620,830.28/8,091,073.62 - Step 6: Final answer
x = 4,564,242.69
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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.