Finding the Fourth Proportional to 17,764,721.40, 26,611,652.70 and 10,182,829.80
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Solution
The fourth proportional to 17,764,721.40, 26,611,652.70 and 10,182,829.80 is: 15,253,936.39
Step by Step Solution
- Step 1: Write the proportion equation
17,764,721.40 : 26,611,652.70 = 10,182,829.80 : x - Step 2: Convert to fraction form
17,764,721.40/26,611,652.70 = 10,182,829.80/x - Step 3: Cross multiply
17,764,721.40x = 26,611,652.70 × 10,182,829.80 - Step 4: Simplify right side
17,764,721.40x = 270,981,930,140,810.47 - Step 5: Solve for x
x = 270,981,930,140,810.47/17,764,721.40 - Step 6: Final answer
x = 15,253,936.39
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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.