Finding the Fourth Proportional to 18,461,552.28, 27,577,203.51 and 13,678,583.28
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Solution
The fourth proportional to 18,461,552.28, 27,577,203.51 and 13,678,583.28 is: 20,432,576.26
Step by Step Solution
- Step 1: Write the proportion equation
18,461,552.28 : 27,577,203.51 = 13,678,583.28 : x - Step 2: Convert to fraction form
18,461,552.28/27,577,203.51 = 13,678,583.28/x - Step 3: Cross multiply
18,461,552.28x = 27,577,203.51 × 13,678,583.28 - Step 4: Simplify right side
18,461,552.28x = 377,217,074,841,043.31 - Step 5: Solve for x
x = 377,217,074,841,043.31/18,461,552.28 - Step 6: Final answer
x = 20,432,576.26
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.