Finding the Fourth Proportional to 32,198,943.47, 48,270,389.90 and 20,687,682.28
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Solution
The fourth proportional to 32,198,943.47, 48,270,389.90 and 20,687,682.28 is: 31,013,517.29
Step by Step Solution
- Step 1: Write the proportion equation
32,198,943.47 : 48,270,389.90 = 20,687,682.28 : x - Step 2: Convert to fraction form
32,198,943.47/48,270,389.90 = 20,687,682.28/x - Step 3: Cross multiply
32,198,943.47x = 48,270,389.90 × 20,687,682.28 - Step 4: Simplify right side
32,198,943.47x = 998,602,489,713,964.25 - Step 5: Solve for x
x = 998,602,489,713,964.25/32,198,943.47 - Step 6: Final answer
x = 31,013,517.29
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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.