Finding the Fourth Proportional to 18,166,587.84, 27,219,034.80 and 10,962,984.60
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Solution
The fourth proportional to 18,166,587.84, 27,219,034.80 and 10,962,984.60 is: 16,425,861.70
Step by Step Solution
- Step 1: Write the proportion equation
18,166,587.84 : 27,219,034.80 = 10,962,984.60 : x - Step 2: Convert to fraction form
18,166,587.84/27,219,034.80 = 10,962,984.60/x - Step 3: Cross multiply
18,166,587.84x = 27,219,034.80 × 10,962,984.60 - Step 4: Simplify right side
18,166,587.84x = 298,401,859,339,264.06 - Step 5: Solve for x
x = 298,401,859,339,264.06/18,166,587.84 - Step 6: Final answer
x = 16,425,861.70
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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.