Finding the Fourth Proportional to 16,128,530.40, 24,192,795.60 and 14,536,005.60
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Solution
The fourth proportional to 16,128,530.40, 24,192,795.60 and 14,536,005.60 is: 21,804,008.40
Step by Step Solution
- Step 1: Write the proportion equation
16,128,530.40 : 24,192,795.60 = 14,536,005.60 : x - Step 2: Convert to fraction form
16,128,530.40/24,192,795.60 = 14,536,005.60/x - Step 3: Cross multiply
16,128,530.40x = 24,192,795.60 × 14,536,005.60 - Step 4: Simplify right side
16,128,530.40x = 351,666,612,321,255.38 - Step 5: Solve for x
x = 351,666,612,321,255.38/16,128,530.40 - Step 6: Final answer
x = 21,804,008.40
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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.