Finding the Fourth Proportional to 11,440,228.16, 15,787,644.72 and 6,283,710.56
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Solution
The fourth proportional to 11,440,228.16, 15,787,644.72 and 6,283,710.56 is: 8,671,591.90
Step by Step Solution
- Step 1: Write the proportion equation
11,440,228.16 : 15,787,644.72 = 6,283,710.56 : x - Step 2: Convert to fraction form
11,440,228.16/15,787,644.72 = 6,283,710.56/x - Step 3: Cross multiply
11,440,228.16x = 15,787,644.72 × 6,283,710.56 - Step 4: Simplify right side
11,440,228.16x = 99,204,989,844,592.23 - Step 5: Solve for x
x = 99,204,989,844,592.23/11,440,228.16 - Step 6: Final answer
x = 8,671,591.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.