Finding the Fourth Proportional to 10,992,234.11, 16,488,491.40 and 2,905,139.84
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Solution
The fourth proportional to 10,992,234.11, 16,488,491.40 and 2,905,139.84 is: 4,357,746.82
Step by Step Solution
- Step 1: Write the proportion equation
10,992,234.11 : 16,488,491.40 = 2,905,139.84 : x - Step 2: Convert to fraction form
10,992,234.11/16,488,491.40 = 2,905,139.84/x - Step 3: Cross multiply
10,992,234.11x = 16,488,491.40 × 2,905,139.84 - Step 4: Simplify right side
10,992,234.11x = 47,901,373,267,637.38 - Step 5: Solve for x
x = 47,901,373,267,637.38/10,992,234.11 - Step 6: Final answer
x = 4,357,746.82
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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.