Finding the Fourth Proportional to 16,391,542.40, 24,531,326.40 and 14,376,003.20
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Solution
The fourth proportional to 16,391,542.40, 24,531,326.40 and 14,376,003.20 is: 21,514,901.91
Step by Step Solution
- Step 1: Write the proportion equation
16,391,542.40 : 24,531,326.40 = 14,376,003.20 : x - Step 2: Convert to fraction form
16,391,542.40/24,531,326.40 = 14,376,003.20/x - Step 3: Cross multiply
16,391,542.40x = 24,531,326.40 × 14,376,003.20 - Step 4: Simplify right side
16,391,542.40x = 352,662,426,826,644.44 - Step 5: Solve for x
x = 352,662,426,826,644.44/16,391,542.40 - Step 6: Final answer
x = 21,514,901.91
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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.