Finding the Fourth Proportional to 11,969,646.30, 16,518,217.50 and 6,813,339.84
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Solution
The fourth proportional to 11,969,646.30, 16,518,217.50 and 6,813,339.84 is: 9,402,469.09
Step by Step Solution
- Step 1: Write the proportion equation
11,969,646.30 : 16,518,217.50 = 6,813,339.84 : x - Step 2: Convert to fraction form
11,969,646.30/16,518,217.50 = 6,813,339.84/x - Step 3: Cross multiply
11,969,646.30x = 16,518,217.50 × 6,813,339.84 - Step 4: Simplify right side
11,969,646.30x = 112,544,229,378,535.20 - Step 5: Solve for x
x = 112,544,229,378,535.20/11,969,646.30 - Step 6: Final answer
x = 9,402,469.09
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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.