Finding the Fourth Proportional to 8,302,357.64, 12,453,620.20 and 2,911,137.98
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Solution
The fourth proportional to 8,302,357.64, 12,453,620.20 and 2,911,137.98 is: 4,366,736.32
Step by Step Solution
- Step 1: Write the proportion equation
8,302,357.64 : 12,453,620.20 = 2,911,137.98 : x - Step 2: Convert to fraction form
8,302,357.64/12,453,620.20 = 2,911,137.98/x - Step 3: Cross multiply
8,302,357.64x = 12,453,620.20 × 2,911,137.98 - Step 4: Simplify right side
8,302,357.64x = 36,254,206,683,169.25 - Step 5: Solve for x
x = 36,254,206,683,169.25/8,302,357.64 - Step 6: Final answer
x = 4,366,736.32
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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.