Finding the Fourth Proportional to 19,257,912.13, 26,560,422.68 and 16,929,826.86
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Solution
The fourth proportional to 19,257,912.13, 26,560,422.68 and 16,929,826.86 is: 23,349,538.32
Step by Step Solution
- Step 1: Write the proportion equation
19,257,912.13 : 26,560,422.68 = 16,929,826.86 : x - Step 2: Convert to fraction form
19,257,912.13/26,560,422.68 = 16,929,826.86/x - Step 3: Cross multiply
19,257,912.13x = 26,560,422.68 × 16,929,826.86 - Step 4: Simplify right side
19,257,912.13x = 449,663,357,213,990.94 - Step 5: Solve for x
x = 449,663,357,213,990.94/19,257,912.13 - Step 6: Final answer
x = 23,349,538.32
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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.