Finding the Fourth Proportional to 8,172,491.67, 11,278,037.97 and 4,736,725.61
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Solution
The fourth proportional to 8,172,491.67, 11,278,037.97 and 4,736,725.61 is: 6,536,681.03
Step by Step Solution
- Step 1: Write the proportion equation
8,172,491.67 : 11,278,037.97 = 4,736,725.61 : x - Step 2: Convert to fraction form
8,172,491.67/11,278,037.97 = 4,736,725.61/x - Step 3: Cross multiply
8,172,491.67x = 11,278,037.97 × 4,736,725.61 - Step 4: Simplify right side
8,172,491.67x = 53,420,971,226,661.23 - Step 5: Solve for x
x = 53,420,971,226,661.23/8,172,491.67 - Step 6: Final answer
x = 6,536,681.03
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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.