Finding the Fourth Proportional to 14,940,537.08, 20,617,396.76 and 8,324,783.51
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Solution
The fourth proportional to 14,940,537.08, 20,617,396.76 and 8,324,783.51 is: 11,487,897.90
Step by Step Solution
- Step 1: Write the proportion equation
14,940,537.08 : 20,617,396.76 = 8,324,783.51 : x - Step 2: Convert to fraction form
14,940,537.08/20,617,396.76 = 8,324,783.51/x - Step 3: Cross multiply
14,940,537.08x = 20,617,396.76 × 8,324,783.51 - Step 4: Simplify right side
14,940,537.08x = 171,635,364,484,500.41 - Step 5: Solve for x
x = 171,635,364,484,500.41/14,940,537.08 - Step 6: Final answer
x = 11,487,897.90
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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.