Finding the Fourth Proportional to 10,177,487.80, 15,273,230.10 and 4,193,855.80
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Solution
The fourth proportional to 10,177,487.80, 15,273,230.10 and 4,193,855.80 is: 6,293,667.54
Step by Step Solution
- Step 1: Write the proportion equation
10,177,487.80 : 15,273,230.10 = 4,193,855.80 : x - Step 2: Convert to fraction form
10,177,487.80/15,273,230.10 = 4,193,855.80/x - Step 3: Cross multiply
10,177,487.80x = 15,273,230.10 × 4,193,855.80 - Step 4: Simplify right side
10,177,487.80x = 64,053,724,639,619.58 - Step 5: Solve for x
x = 64,053,724,639,619.58/10,177,487.80 - Step 6: Final answer
x = 6,293,667.54
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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.