Finding the Fourth Proportional to 18,085,908.70, 24,958,837.34 and 9,826,134.58
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Solution
The fourth proportional to 18,085,908.70, 24,958,837.34 and 9,826,134.58 is: 13,560,219.66
Step by Step Solution
- Step 1: Write the proportion equation
18,085,908.70 : 24,958,837.34 = 9,826,134.58 : x - Step 2: Convert to fraction form
18,085,908.70/24,958,837.34 = 9,826,134.58/x - Step 3: Cross multiply
18,085,908.70x = 24,958,837.34 × 9,826,134.58 - Step 4: Simplify right side
18,085,908.70x = 245,248,894,663,169.22 - Step 5: Solve for x
x = 245,248,894,663,169.22/18,085,908.70 - Step 6: Final answer
x = 13,560,219.66
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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.