Finding the Fourth Proportional to 55,868,936.68, 83,806,947.35 and 17,531,963.92
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Solution
The fourth proportional to 55,868,936.68, 83,806,947.35 and 17,531,963.92 is: 26,299,057.47
Step by Step Solution
- Step 1: Write the proportion equation
55,868,936.68 : 83,806,947.35 = 17,531,963.92 : x - Step 2: Convert to fraction form
55,868,936.68/83,806,947.35 = 17,531,963.92/x - Step 3: Cross multiply
55,868,936.68x = 83,806,947.35 × 17,531,963.92 - Step 4: Simplify right side
55,868,936.68x = 1,469,300,376,678,845 - Step 5: Solve for x
x = 1,469,300,376,678,845/55,868,936.68 - Step 6: Final answer
x = 26,299,057.47
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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.