Finding the Fourth Proportional to 8,302,738.68, 11,457,519.42 and 4,867,267.80
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Solution
The fourth proportional to 8,302,738.68, 11,457,519.42 and 4,867,267.80 is: 6,716,677.17
Step by Step Solution
- Step 1: Write the proportion equation
8,302,738.68 : 11,457,519.42 = 4,867,267.80 : x - Step 2: Convert to fraction form
8,302,738.68/11,457,519.42 = 4,867,267.80/x - Step 3: Cross multiply
8,302,738.68x = 11,457,519.42 × 4,867,267.80 - Step 4: Simplify right side
8,302,738.68x = 55,766,815,340,840.67 - Step 5: Solve for x
x = 55,766,815,340,840.67/8,302,738.68 - Step 6: Final answer
x = 6,716,677.17
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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.