Finding the Fourth Proportional to 8,241,748.80, 12,362,428.80 and 2,258,116.80
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Solution
The fourth proportional to 8,241,748.80, 12,362,428.80 and 2,258,116.80 is: 3,387,121.94
Step by Step Solution
- Step 1: Write the proportion equation
8,241,748.80 : 12,362,428.80 = 2,258,116.80 : x - Step 2: Convert to fraction form
8,241,748.80/12,362,428.80 = 2,258,116.80/x - Step 3: Cross multiply
8,241,748.80x = 12,362,428.80 × 2,258,116.80 - Step 4: Simplify right side
8,241,748.80x = 27,915,808,162,083.84 - Step 5: Solve for x
x = 27,915,808,162,083.84/8,241,748.80 - Step 6: Final answer
x = 3,387,121.94
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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.