Finding the Fourth Proportional to 14,931,879.60, 22,381,230.60 and 8,205,121.20
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Solution
The fourth proportional to 14,931,879.60, 22,381,230.60 and 8,205,121.20 is: 12,298,566.20
Step by Step Solution
- Step 1: Write the proportion equation
14,931,879.60 : 22,381,230.60 = 8,205,121.20 : x - Step 2: Convert to fraction form
14,931,879.60/22,381,230.60 = 8,205,121.20/x - Step 3: Cross multiply
14,931,879.60x = 22,381,230.60 × 8,205,121.20 - Step 4: Simplify right side
14,931,879.60x = 183,640,709,678,148.75 - Step 5: Solve for x
x = 183,640,709,678,148.75/14,931,879.60 - Step 6: Final answer
x = 12,298,566.20
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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.