Finding the Fourth Proportional to 11,138,457.30, 16,691,745.15 and 6,335,999.70
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Solution
The fourth proportional to 11,138,457.30, 16,691,745.15 and 6,335,999.70 is: 9,494,931.79
Step by Step Solution
- Step 1: Write the proportion equation
11,138,457.30 : 16,691,745.15 = 6,335,999.70 : x - Step 2: Convert to fraction form
11,138,457.30/16,691,745.15 = 6,335,999.70/x - Step 3: Cross multiply
11,138,457.30x = 16,691,745.15 × 6,335,999.70 - Step 4: Simplify right side
11,138,457.30x = 105,758,892,262,876.45 - Step 5: Solve for x
x = 105,758,892,262,876.45/11,138,457.30 - Step 6: Final answer
x = 9,494,931.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.