Finding the Fourth Proportional to 14,925,107.36, 20,596,406.76 and 8,398,733
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Solution
The fourth proportional to 14,925,107.36, 20,596,406.76 and 8,398,733 is: 11,590,115.70
Step by Step Solution
- Step 1: Write the proportion equation
14,925,107.36 : 20,596,406.76 = 8,398,733 : x - Step 2: Convert to fraction form
14,925,107.36/20,596,406.76 = 8,398,733/x - Step 3: Cross multiply
14,925,107.36x = 20,596,406.76 × 8,398,733 - Step 4: Simplify right side
14,925,107.36x = 172,983,721,136,635.09 - Step 5: Solve for x
x = 172,983,721,136,635.09/14,925,107.36 - Step 6: Final answer
x = 11,590,115.70
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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.