Finding the Fourth Proportional to 19,491,126.68, 26,900,158.58 and 11,120,557.11
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Solution
The fourth proportional to 19,491,126.68, 26,900,158.58 and 11,120,557.11 is: 15,347,740.27
Step by Step Solution
- Step 1: Write the proportion equation
19,491,126.68 : 26,900,158.58 = 11,120,557.11 : x - Step 2: Convert to fraction form
19,491,126.68/26,900,158.58 = 11,120,557.11/x - Step 3: Cross multiply
19,491,126.68x = 26,900,158.58 × 11,120,557.11 - Step 4: Simplify right side
19,491,126.68x = 299,144,749,701,343.69 - Step 5: Solve for x
x = 299,144,749,701,343.69/19,491,126.68 - Step 6: Final answer
x = 15,347,740.27
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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.