Finding the Fourth Proportional to 18,584,447.70, 27,876,671.55 and 14,553,369.30
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Solution
The fourth proportional to 18,584,447.70, 27,876,671.55 and 14,553,369.30 is: 21,830,053.95
Step by Step Solution
- Step 1: Write the proportion equation
18,584,447.70 : 27,876,671.55 = 14,553,369.30 : x - Step 2: Convert to fraction form
18,584,447.70/27,876,671.55 = 14,553,369.30/x - Step 3: Cross multiply
18,584,447.70x = 27,876,671.55 × 14,553,369.30 - Step 4: Simplify right side
18,584,447.70x = 405,699,495,921,953.44 - Step 5: Solve for x
x = 405,699,495,921,953.44/18,584,447.70 - Step 6: Final answer
x = 21,830,053.95
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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.