Finding the Fourth Proportional to 14,752,246.20, 22,128,369.30 and 12,413,905.80
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Solution
The fourth proportional to 14,752,246.20, 22,128,369.30 and 12,413,905.80 is: 18,620,858.70
Step by Step Solution
- Step 1: Write the proportion equation
14,752,246.20 : 22,128,369.30 = 12,413,905.80 : x - Step 2: Convert to fraction form
14,752,246.20/22,128,369.30 = 12,413,905.80/x - Step 3: Cross multiply
14,752,246.20x = 22,128,369.30 × 12,413,905.80 - Step 4: Simplify right side
14,752,246.20x = 274,699,491,997,811.97 - Step 5: Solve for x
x = 274,699,491,997,811.97/14,752,246.20 - Step 6: Final answer
x = 18,620,858.70
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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.