Finding the Fourth Proportional to 18,023,165.42, 27,034,748.13 and 4,376,219.88
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Solution
The fourth proportional to 18,023,165.42, 27,034,748.13 and 4,376,219.88 is: 6,564,329.82
Step by Step Solution
- Step 1: Write the proportion equation
18,023,165.42 : 27,034,748.13 = 4,376,219.88 : x - Step 2: Convert to fraction form
18,023,165.42/27,034,748.13 = 4,376,219.88/x - Step 3: Cross multiply
18,023,165.42x = 27,034,748.13 × 4,376,219.88 - Step 4: Simplify right side
18,023,165.42x = 118,310,002,217,298.81 - Step 5: Solve for x
x = 118,310,002,217,298.81/18,023,165.42 - Step 6: Final answer
x = 6,564,329.82
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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.