Finding the Fourth Proportional to 20,013,225.24, 27,560,970.63 and 18,766,150.05
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Solution
The fourth proportional to 20,013,225.24, 27,560,970.63 and 18,766,150.05 is: 25,843,576.14
Step by Step Solution
- Step 1: Write the proportion equation
20,013,225.24 : 27,560,970.63 = 18,766,150.05 : x - Step 2: Convert to fraction form
20,013,225.24/27,560,970.63 = 18,766,150.05/x - Step 3: Cross multiply
20,013,225.24x = 27,560,970.63 × 18,766,150.05 - Step 4: Simplify right side
20,013,225.24x = 517,213,310,366,223.06 - Step 5: Solve for x
x = 517,213,310,366,223.06/20,013,225.24 - Step 6: Final answer
x = 25,843,576.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.