Finding the Fourth Proportional to 8,047,815.84, 11,106,060.48 and 4,376,766.96
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Solution
The fourth proportional to 8,047,815.84, 11,106,060.48 and 4,376,766.96 is: 6,039,978.99
Step by Step Solution
- Step 1: Write the proportion equation
8,047,815.84 : 11,106,060.48 = 4,376,766.96 : x - Step 2: Convert to fraction form
8,047,815.84/11,106,060.48 = 4,376,766.96/x - Step 3: Cross multiply
8,047,815.84x = 11,106,060.48 × 4,376,766.96 - Step 4: Simplify right side
8,047,815.84x = 48,608,638,564,625.74 - Step 5: Solve for x
x = 48,608,638,564,625.74/8,047,815.84 - Step 6: Final answer
x = 6,039,978.99
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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.