Finding the Fourth Proportional to 12,364,909.70, 18,547,364.55 and 5,987,617.70
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Solution
The fourth proportional to 12,364,909.70, 18,547,364.55 and 5,987,617.70 is: 8,981,426.55
Step by Step Solution
- Step 1: Write the proportion equation
12,364,909.70 : 18,547,364.55 = 5,987,617.70 : x - Step 2: Convert to fraction form
12,364,909.70/18,547,364.55 = 5,987,617.70/x - Step 3: Cross multiply
12,364,909.70x = 18,547,364.55 × 5,987,617.70 - Step 4: Simplify right side
12,364,909.70x = 111,054,528,267,932.55 - Step 5: Solve for x
x = 111,054,528,267,932.55/12,364,909.70 - Step 6: Final answer
x = 8,981,426.55
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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.