Finding the Fourth Proportional to 9,872,636.78, 14,810,808.97 and 4,481,665.58
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Solution
The fourth proportional to 9,872,636.78, 14,810,808.97 and 4,481,665.58 is: 6,723,339.90
Step by Step Solution
- Step 1: Write the proportion equation
9,872,636.78 : 14,810,808.97 = 4,481,665.58 : x - Step 2: Convert to fraction form
9,872,636.78/14,810,808.97 = 4,481,665.58/x - Step 3: Cross multiply
9,872,636.78x = 14,810,808.97 × 4,481,665.58 - Step 4: Simplify right side
9,872,636.78x = 66,377,092,772,804.26 - Step 5: Solve for x
x = 66,377,092,772,804.26/9,872,636.78 - Step 6: Final answer
x = 6,723,339.90
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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.