Finding the Fourth Proportional to 19,786,876.80, 29,638,324.80 and 16,427,644.80
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Solution
The fourth proportional to 19,786,876.80, 29,638,324.80 and 16,427,644.80 is: 24,606,605.54
Step by Step Solution
- Step 1: Write the proportion equation
19,786,876.80 : 29,638,324.80 = 16,427,644.80 : x - Step 2: Convert to fraction form
19,786,876.80/29,638,324.80 = 16,427,644.80/x - Step 3: Cross multiply
19,786,876.80x = 29,638,324.80 × 16,427,644.80 - Step 4: Simplify right side
19,786,876.80x = 486,887,872,281,431.06 - Step 5: Solve for x
x = 486,887,872,281,431.06/19,786,876.80 - Step 6: Final answer
x = 24,606,605.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.