Finding the Fourth Proportional to 20,797,188.04, 31,198,620.95 and 8,663,813.98
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Solution
The fourth proportional to 20,797,188.04, 31,198,620.95 and 8,663,813.98 is: 12,996,903.61
Step by Step Solution
- Step 1: Write the proportion equation
20,797,188.04 : 31,198,620.95 = 8,663,813.98 : x - Step 2: Convert to fraction form
20,797,188.04/31,198,620.95 = 8,663,813.98/x - Step 3: Cross multiply
20,797,188.04x = 31,198,620.95 × 8,663,813.98 - Step 4: Simplify right side
20,797,188.04x = 270,299,048,254,504.53 - Step 5: Solve for x
x = 270,299,048,254,504.53/20,797,188.04 - Step 6: Final answer
x = 12,996,903.61
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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.