Finding the Fourth Proportional to 12,226,636.23, 18,338,829.86 and 4,138,687.41
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Solution
The fourth proportional to 12,226,636.23, 18,338,829.86 and 4,138,687.41 is: 6,207,650.47
Step by Step Solution
- Step 1: Write the proportion equation
12,226,636.23 : 18,338,829.86 = 4,138,687.41 : x - Step 2: Convert to fraction form
12,226,636.23/18,338,829.86 = 4,138,687.41/x - Step 3: Cross multiply
12,226,636.23x = 18,338,829.86 × 4,138,687.41 - Step 4: Simplify right side
12,226,636.23x = 75,898,684,174,010.05 - Step 5: Solve for x
x = 75,898,684,174,010.05/12,226,636.23 - Step 6: Final answer
x = 6,207,650.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.