Finding the Fourth Proportional to 11,720,289.84, 17,576,818.92 and 4,145,513.28
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Solution
The fourth proportional to 11,720,289.84, 17,576,818.92 and 4,145,513.28 is: 6,216,990.98
Step by Step Solution
- Step 1: Write the proportion equation
11,720,289.84 : 17,576,818.92 = 4,145,513.28 : x - Step 2: Convert to fraction form
11,720,289.84/17,576,818.92 = 4,145,513.28/x - Step 3: Cross multiply
11,720,289.84x = 17,576,818.92 × 4,145,513.28 - Step 4: Simplify right side
11,720,289.84x = 72,864,936,253,015.27 - Step 5: Solve for x
x = 72,864,936,253,015.27/11,720,289.84 - Step 6: Final answer
x = 6,216,990.98
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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.