Finding the Fourth Proportional to 11,317,359.66, 16,964,688.70 and 5,256,347.88
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Solution
The fourth proportional to 11,317,359.66, 16,964,688.70 and 5,256,347.88 is: 7,879,249.95
Step by Step Solution
- Step 1: Write the proportion equation
11,317,359.66 : 16,964,688.70 = 5,256,347.88 : x - Step 2: Convert to fraction form
11,317,359.66/16,964,688.70 = 5,256,347.88/x - Step 3: Cross multiply
11,317,359.66x = 16,964,688.70 × 5,256,347.88 - Step 4: Simplify right side
11,317,359.66x = 89,172,305,553,292.98 - Step 5: Solve for x
x = 89,172,305,553,292.98/11,317,359.66 - Step 6: Final answer
x = 7,879,249.95
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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.