Finding the Fourth Proportional to 11,931,635.68, 16,465,193.69 and 7,293,187.05
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Solution
The fourth proportional to 11,931,635.68, 16,465,193.69 and 7,293,187.05 is: 10,064,314.79
Step by Step Solution
- Step 1: Write the proportion equation
11,931,635.68 : 16,465,193.69 = 7,293,187.05 : x - Step 2: Convert to fraction form
11,931,635.68/16,465,193.69 = 7,293,187.05/x - Step 3: Cross multiply
11,931,635.68x = 16,465,193.69 × 7,293,187.05 - Step 4: Simplify right side
11,931,635.68x = 120,083,737,395,649.70 - Step 5: Solve for x
x = 120,083,737,395,649.70/11,931,635.68 - Step 6: Final answer
x = 10,064,314.79
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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.