Finding the Fourth Proportional to 11,653,986.35, 16,082,568.56 and 6,497,668.91
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Solution
The fourth proportional to 11,653,986.35, 16,082,568.56 and 6,497,668.91 is: 8,966,820.67
Step by Step Solution
- Step 1: Write the proportion equation
11,653,986.35 : 16,082,568.56 = 6,497,668.91 : x - Step 2: Convert to fraction form
11,653,986.35/16,082,568.56 = 6,497,668.91/x - Step 3: Cross multiply
11,653,986.35x = 16,082,568.56 × 6,497,668.91 - Step 4: Simplify right side
11,653,986.35x = 104,499,205,725,255.47 - Step 5: Solve for x
x = 104,499,205,725,255.47/11,653,986.35 - Step 6: Final answer
x = 8,966,820.67
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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.