Finding the Fourth Proportional to 11,188,538.70, 16,781,145.21 and 3,100,671.08
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Solution
The fourth proportional to 11,188,538.70, 16,781,145.21 and 3,100,671.08 is: 4,650,545.80
Step by Step Solution
- Step 1: Write the proportion equation
11,188,538.70 : 16,781,145.21 = 3,100,671.08 : x - Step 2: Convert to fraction form
11,188,538.70/16,781,145.21 = 3,100,671.08/x - Step 3: Cross multiply
11,188,538.70x = 16,781,145.21 × 3,100,671.08 - Step 4: Simplify right side
11,188,538.70x = 52,032,811,641,927.53 - Step 5: Solve for x
x = 52,032,811,641,927.53/11,188,538.70 - Step 6: Final answer
x = 4,650,545.80
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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.