Finding the Fourth Proportional to 8,912,857.12, 12,299,892.24 and 4,838,476
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Solution
The fourth proportional to 8,912,857.12, 12,299,892.24 and 4,838,476 is: 6,677,177.99
Step by Step Solution
- Step 1: Write the proportion equation
8,912,857.12 : 12,299,892.24 = 4,838,476 : x - Step 2: Convert to fraction form
8,912,857.12/12,299,892.24 = 4,838,476/x - Step 3: Cross multiply
8,912,857.12x = 12,299,892.24 × 4,838,476 - Step 4: Simplify right side
8,912,857.12x = 59,512,733,405,826.24 - Step 5: Solve for x
x = 59,512,733,405,826.24/8,912,857.12 - Step 6: Final answer
x = 6,677,177.99
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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.