Finding the Fourth Proportional to 10,905,582.99, 16,358,789.67 and 4,081,437.69
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Solution
The fourth proportional to 10,905,582.99, 16,358,789.67 and 4,081,437.69 is: 6,122,311.91
Step by Step Solution
- Step 1: Write the proportion equation
10,905,582.99 : 16,358,789.67 = 4,081,437.69 : x - Step 2: Convert to fraction form
10,905,582.99/16,358,789.67 = 4,081,437.69/x - Step 3: Cross multiply
10,905,582.99x = 16,358,789.67 × 4,081,437.69 - Step 4: Simplify right side
10,905,582.99x = 66,767,380,645,269.80 - Step 5: Solve for x
x = 66,767,380,645,269.80/10,905,582.99 - Step 6: Final answer
x = 6,122,311.91
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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.