Finding the Fourth Proportional to 51,718,521.11, 77,589,134.62 and 15,329,718.23
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Solution
The fourth proportional to 51,718,521.11, 77,589,134.62 and 15,329,718.23 is: 22,997,942.43
Step by Step Solution
- Step 1: Write the proportion equation
51,718,521.11 : 77,589,134.62 = 15,329,718.23 : x - Step 2: Convert to fraction form
51,718,521.11/77,589,134.62 = 15,329,718.23/x - Step 3: Cross multiply
51,718,521.11x = 77,589,134.62 × 15,329,718.23 - Step 4: Simplify right side
51,718,521.11x = 1,189,419,571,007,868.25 - Step 5: Solve for x
x = 1,189,419,571,007,868.25/51,718,521.11 - Step 6: Final answer
x = 22,997,942.43
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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.