Finding the Fourth Proportional to 18,166,585.84, 27,219,031.44 and 10,962,982.96
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Solution
The fourth proportional to 18,166,585.84, 27,219,031.44 and 10,962,982.96 is: 16,425,859.02
Step by Step Solution
- Step 1: Write the proportion equation
18,166,585.84 : 27,219,031.44 = 10,962,982.96 : x - Step 2: Convert to fraction form
18,166,585.84/27,219,031.44 = 10,962,982.96/x - Step 3: Cross multiply
18,166,585.84x = 27,219,031.44 × 10,962,982.96 - Step 4: Simplify right side
18,166,585.84x = 298,401,777,864,424.31 - Step 5: Solve for x
x = 298,401,777,864,424.31/18,166,585.84 - Step 6: Final answer
x = 16,425,859.02
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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.