Finding the Fourth Proportional to 8,208,257.58, 11,328,520.68 and 4,723,524.72
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Solution
The fourth proportional to 8,208,257.58, 11,328,520.68 and 4,723,524.72 is: 6,519,111.63
Step by Step Solution
- Step 1: Write the proportion equation
8,208,257.58 : 11,328,520.68 = 4,723,524.72 : x - Step 2: Convert to fraction form
8,208,257.58/11,328,520.68 = 4,723,524.72/x - Step 3: Cross multiply
8,208,257.58x = 11,328,520.68 × 4,723,524.72 - Step 4: Simplify right side
8,208,257.58x = 53,510,547,473,011.20 - Step 5: Solve for x
x = 53,510,547,473,011.20/8,208,257.58 - Step 6: Final answer
x = 6,519,111.63
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1.5x scale
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.