Finding the Fourth Proportional to 18,386,169.14, 27,579,166.23 and 5,606,631.47
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Solution
The fourth proportional to 18,386,169.14, 27,579,166.23 and 5,606,631.47 is: 8,409,920.53
Step by Step Solution
- Step 1: Write the proportion equation
18,386,169.14 : 27,579,166.23 = 5,606,631.47 : x - Step 2: Convert to fraction form
18,386,169.14/27,579,166.23 = 5,606,631.47/x - Step 3: Cross multiply
18,386,169.14x = 27,579,166.23 × 5,606,631.47 - Step 4: Simplify right side
18,386,169.14x = 154,626,221,391,452.06 - Step 5: Solve for x
x = 154,626,221,391,452.06/18,386,169.14 - Step 6: Final answer
x = 8,409,920.53
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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.