Finding the Fourth Proportional to 7,492,125.68, 10,336,602.48 and 4,877,439.20
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Solution
The fourth proportional to 7,492,125.68, 10,336,602.48 and 4,877,439.20 is: 6,729,218.42
Step by Step Solution
- Step 1: Write the proportion equation
7,492,125.68 : 10,336,602.48 = 4,877,439.20 : x - Step 2: Convert to fraction form
7,492,125.68/10,336,602.48 = 4,877,439.20/x - Step 3: Cross multiply
7,492,125.68x = 10,336,602.48 × 4,877,439.20 - Step 4: Simplify right side
7,492,125.68x = 50,416,150,130,769.22 - Step 5: Solve for x
x = 50,416,150,130,769.22/7,492,125.68 - Step 6: Final answer
x = 6,729,218.42
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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.