Finding the Fourth Proportional to 10,992,211.99, 16,488,458.21 and 2,905,117.72
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Solution
The fourth proportional to 10,992,211.99, 16,488,458.21 and 2,905,117.72 is: 4,357,713.64
Step by Step Solution
- Step 1: Write the proportion equation
10,992,211.99 : 16,488,458.21 = 2,905,117.72 : x - Step 2: Convert to fraction form
10,992,211.99/16,488,458.21 = 2,905,117.72/x - Step 3: Cross multiply
10,992,211.99x = 16,488,458.21 × 2,905,117.72 - Step 4: Simplify right side
10,992,211.99x = 47,900,912,087,392.12 - Step 5: Solve for x
x = 47,900,912,087,392.12/10,992,211.99 - Step 6: Final answer
x = 4,357,713.64
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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.