Finding the Fourth Proportional to 20,013,883.20, 27,619,257.92 and 10,846,526.08
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Solution
The fourth proportional to 20,013,883.20, 27,619,257.92 and 10,846,526.08 is: 14,968,259.70
Step by Step Solution
- Step 1: Write the proportion equation
20,013,883.20 : 27,619,257.92 = 10,846,526.08 : x - Step 2: Convert to fraction form
20,013,883.20/27,619,257.92 = 10,846,526.08/x - Step 3: Cross multiply
20,013,883.20x = 27,619,257.92 × 10,846,526.08 - Step 4: Simplify right side
20,013,883.20x = 299,573,001,339,526.56 - Step 5: Solve for x
x = 299,573,001,339,526.56/20,013,883.20 - Step 6: Final answer
x = 14,968,259.70
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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.