Finding the Fourth Proportional to 39,198,615.68, 58,805,772.22 and 21,951,344
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Solution
The fourth proportional to 39,198,615.68, 58,805,772.22 and 21,951,344 is: 32,931,411.30
Step by Step Solution
- Step 1: Write the proportion equation
39,198,615.68 : 58,805,772.22 = 21,951,344 : x - Step 2: Convert to fraction form
39,198,615.68/58,805,772.22 = 21,951,344/x - Step 3: Cross multiply
39,198,615.68x = 58,805,772.22 × 21,951,344 - Step 4: Simplify right side
39,198,615.68x = 1,290,865,735,186,863.75 - Step 5: Solve for x
x = 1,290,865,735,186,863.75/39,198,615.68 - Step 6: Final answer
x = 32,931,411.30
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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.