Finding the Fourth Proportional to 18,851,937.63, 28,251,546.59 and 10,197,354.99
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Solution
The fourth proportional to 18,851,937.63, 28,251,546.59 and 10,197,354.99 is: 15,281,773.96
Step by Step Solution
- Step 1: Write the proportion equation
18,851,937.63 : 28,251,546.59 = 10,197,354.99 : x - Step 2: Convert to fraction form
18,851,937.63/28,251,546.59 = 10,197,354.99/x - Step 3: Cross multiply
18,851,937.63x = 28,251,546.59 × 10,197,354.99 - Step 4: Simplify right side
18,851,937.63x = 288,091,049,543,767.25 - Step 5: Solve for x
x = 288,091,049,543,767.25/18,851,937.63 - Step 6: Final answer
x = 15,281,773.96
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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.