Finding the Fourth Proportional to 15,176,953.83, 20,943,950.18 and 8,301,375.75
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Solution
The fourth proportional to 15,176,953.83, 20,943,950.18 and 8,301,375.75 is: 11,455,763.92
Step by Step Solution
- Step 1: Write the proportion equation
15,176,953.83 : 20,943,950.18 = 8,301,375.75 : x - Step 2: Convert to fraction form
15,176,953.83/20,943,950.18 = 8,301,375.75/x - Step 3: Cross multiply
15,176,953.83x = 20,943,950.18 × 8,301,375.75 - Step 4: Simplify right side
15,176,953.83x = 173,863,600,091,953.25 - Step 5: Solve for x
x = 173,863,600,091,953.25/15,176,953.83 - Step 6: Final answer
x = 11,455,763.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.