Finding the Fourth Proportional to 7,492,124.68, 10,336,601.10 and 4,877,438.20
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Solution
The fourth proportional to 7,492,124.68, 10,336,601.10 and 4,877,438.20 is: 6,729,217.04
Step by Step Solution
- Step 1: Write the proportion equation
7,492,124.68 : 10,336,601.10 = 4,877,438.20 : x - Step 2: Convert to fraction form
7,492,124.68/10,336,601.10 = 4,877,438.20/x - Step 3: Cross multiply
7,492,124.68x = 10,336,601.10 × 4,877,438.20 - Step 4: Simplify right side
7,492,124.68x = 50,416,133,063,302.02 - Step 5: Solve for x
x = 50,416,133,063,302.02/7,492,124.68 - Step 6: Final answer
x = 6,729,217.04
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1.5x scale
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.