Finding the Fourth Proportional to 18,329,379.79, 27,497,610.18 and 6,968,945.11
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Solution
The fourth proportional to 18,329,379.79, 27,497,610.18 and 6,968,945.11 is: 10,454,763.78
Step by Step Solution
- Step 1: Write the proportion equation
18,329,379.79 : 27,497,610.18 = 6,968,945.11 : x - Step 2: Convert to fraction form
18,329,379.79/27,497,610.18 = 6,968,945.11/x - Step 3: Cross multiply
18,329,379.79x = 27,497,610.18 × 6,968,945.11 - Step 4: Simplify right side
18,329,379.79x = 191,629,335,863,109.19 - Step 5: Solve for x
x = 191,629,335,863,109.19/18,329,379.79 - Step 6: Final answer
x = 10,454,763.78
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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.