Finding the Fourth Proportional to 8,436,783.12, 11,642,702.88 and 4,569,216
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Solution
The fourth proportional to 8,436,783.12, 11,642,702.88 and 4,569,216 is: 6,305,486.76
Step by Step Solution
- Step 1: Write the proportion equation
8,436,783.12 : 11,642,702.88 = 4,569,216 : x - Step 2: Convert to fraction form
8,436,783.12/11,642,702.88 = 4,569,216/x - Step 3: Cross multiply
8,436,783.12x = 11,642,702.88 × 4,569,216 - Step 4: Simplify right side
8,436,783.12x = 53,198,024,282,542.09 - Step 5: Solve for x
x = 53,198,024,282,542.09/8,436,783.12 - Step 6: Final answer
x = 6,305,486.76
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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.