Finding the Fourth Proportional to 39,086,278.79, 58,638,425.16 and 13,527,288.17
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Solution
The fourth proportional to 39,086,278.79, 58,638,425.16 and 13,527,288.17 is: 20,294,049.46
Step by Step Solution
- Step 1: Write the proportion equation
39,086,278.79 : 58,638,425.16 = 13,527,288.17 : x - Step 2: Convert to fraction form
39,086,278.79/58,638,425.16 = 13,527,288.17/x - Step 3: Cross multiply
39,086,278.79x = 58,638,425.16 × 13,527,288.17 - Step 4: Simplify right side
39,086,278.79x = 793,218,874,681,106.12 - Step 5: Solve for x
x = 793,218,874,681,106.12/39,086,278.79 - Step 6: Final answer
x = 20,294,049.46
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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.