Finding the Fourth Proportional to 12,277,726.29, 18,413,446.98 and 3,639,806.82
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Solution
The fourth proportional to 12,277,726.29, 18,413,446.98 and 3,639,806.82 is: 5,458,778.63
Step by Step Solution
- Step 1: Write the proportion equation
12,277,726.29 : 18,413,446.98 = 3,639,806.82 : x - Step 2: Convert to fraction form
12,277,726.29/18,413,446.98 = 3,639,806.82/x - Step 3: Cross multiply
12,277,726.29x = 18,413,446.98 × 3,639,806.82 - Step 4: Simplify right side
12,277,726.29x = 67,021,389,897,512.40 - Step 5: Solve for x
x = 67,021,389,897,512.40/12,277,726.29 - Step 6: Final answer
x = 5,458,778.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.