Finding the Fourth Proportional to 8,752,877.67, 12,078,479.79 and 4,885,648.14
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Solution
The fourth proportional to 8,752,877.67, 12,078,479.79 and 4,885,648.14 is: 6,741,920.15
Step by Step Solution
- Step 1: Write the proportion equation
8,752,877.67 : 12,078,479.79 = 4,885,648.14 : x - Step 2: Convert to fraction form
8,752,877.67/12,078,479.79 = 4,885,648.14/x - Step 3: Cross multiply
8,752,877.67x = 12,078,479.79 × 4,885,648.14 - Step 4: Simplify right side
8,752,877.67x = 59,011,202,320,041.09 - Step 5: Solve for x
x = 59,011,202,320,041.09/8,752,877.67 - Step 6: Final answer
x = 6,741,920.15
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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.