Finding the Fourth Proportional to 47,666,718.05, 65,779,806.49 and 26,758,745.17
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Solution
The fourth proportional to 47,666,718.05, 65,779,806.49 and 26,758,745.17 is: 36,926,919.90
Step by Step Solution
- Step 1: Write the proportion equation
47,666,718.05 : 65,779,806.49 = 26,758,745.17 : x - Step 2: Convert to fraction form
47,666,718.05/65,779,806.49 = 26,758,745.17/x - Step 3: Cross multiply
47,666,718.05x = 65,779,806.49 × 26,758,745.17 - Step 4: Simplify right side
47,666,718.05x = 1,760,185,078,966,475.75 - Step 5: Solve for x
x = 1,760,185,078,966,475.75/47,666,718.05 - Step 6: Final answer
x = 36,926,919.90
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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.