Finding the Fourth Proportional to 21,406,862.27, 29,541,686.22 and 11,617,391.00
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Solution
The fourth proportional to 21,406,862.27, 29,541,686.22 and 11,617,391.00 is: 16,032,116.95
Step by Step Solution
- Step 1: Write the proportion equation
21,406,862.27 : 29,541,686.22 = 11,617,391.00 : x - Step 2: Convert to fraction form
21,406,862.27/29,541,686.22 = 11,617,391.00/x - Step 3: Cross multiply
21,406,862.27x = 29,541,686.22 × 11,617,391.00 - Step 4: Simplify right side
21,406,862.27x = 343,197,319,469,343.56 - Step 5: Solve for x
x = 343,197,319,469,343.56/21,406,862.27 - Step 6: Final answer
x = 16,032,116.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.