Finding the Fourth Proportional to 8,546,643.24, 11,793,919.68 and 4,678,423.44
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Solution
The fourth proportional to 8,546,643.24, 11,793,919.68 and 4,678,423.44 is: 6,455,979.12
Step by Step Solution
- Step 1: Write the proportion equation
8,546,643.24 : 11,793,919.68 = 4,678,423.44 : x - Step 2: Convert to fraction form
8,546,643.24/11,793,919.68 = 4,678,423.44/x - Step 3: Cross multiply
8,546,643.24x = 11,793,919.68 × 4,678,423.44 - Step 4: Simplify right side
8,546,643.24x = 55,176,950,280,389.30 - Step 5: Solve for x
x = 55,176,950,280,389.30/8,546,643.24 - Step 6: Final answer
x = 6,455,979.12
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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.