Finding the Fourth Proportional to 39,920,861.71, 59,855,546.84 and 15,662,240.29
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Solution
The fourth proportional to 39,920,861.71, 59,855,546.84 and 15,662,240.29 is: 23,483,259.56
Step by Step Solution
- Step 1: Write the proportion equation
39,920,861.71 : 59,855,546.84 = 15,662,240.29 : x - Step 2: Convert to fraction form
39,920,861.71/59,855,546.84 = 15,662,240.29/x - Step 3: Cross multiply
39,920,861.71x = 59,855,546.84 × 15,662,240.29 - Step 4: Simplify right side
39,920,861.71x = 937,471,957,219,119 - Step 5: Solve for x
x = 937,471,957,219,119/39,920,861.71 - Step 6: Final answer
x = 23,483,259.56
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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.