Finding the Fourth Proportional to 18,019,803.08, 27,029,487.34 and 7,236,910.28
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Solution
The fourth proportional to 18,019,803.08, 27,029,487.34 and 7,236,910.28 is: 10,855,278.16
Step by Step Solution
- Step 1: Write the proportion equation
18,019,803.08 : 27,029,487.34 = 7,236,910.28 : x - Step 2: Convert to fraction form
18,019,803.08/27,029,487.34 = 7,236,910.28/x - Step 3: Cross multiply
18,019,803.08x = 27,029,487.34 × 7,236,910.28 - Step 4: Simplify right side
18,019,803.08x = 195,609,974,793,975.88 - Step 5: Solve for x
x = 195,609,974,793,975.88/18,019,803.08 - Step 6: Final answer
x = 10,855,278.16
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1.5x scale
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.