Finding the Fourth Proportional to 8,473,014.80, 12,705,528.84 and 3,077,861.84
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Solution
The fourth proportional to 8,473,014.80, 12,705,528.84 and 3,077,861.84 is: 4,615,342.15
Step by Step Solution
- Step 1: Write the proportion equation
8,473,014.80 : 12,705,528.84 = 3,077,861.84 : x - Step 2: Convert to fraction form
8,473,014.80/12,705,528.84 = 3,077,861.84/x - Step 3: Cross multiply
8,473,014.80x = 12,705,528.84 × 3,077,861.84 - Step 4: Simplify right side
8,473,014.80x = 39,105,862,373,655.46 - Step 5: Solve for x
x = 39,105,862,373,655.46/8,473,014.80 - Step 6: Final answer
x = 4,615,342.15
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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.