Finding the Fourth Proportional to 10,638,076.10, 15,952,448.55 and 4,246,204.10
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Solution
The fourth proportional to 10,638,076.10, 15,952,448.55 and 4,246,204.10 is: 6,367,443.87
Step by Step Solution
- Step 1: Write the proportion equation
10,638,076.10 : 15,952,448.55 = 4,246,204.10 : x - Step 2: Convert to fraction form
10,638,076.10/15,952,448.55 = 4,246,204.10/x - Step 3: Cross multiply
10,638,076.10x = 15,952,448.55 × 4,246,204.10 - Step 4: Simplify right side
10,638,076.10x = 67,737,352,438,049.05 - Step 5: Solve for x
x = 67,737,352,438,049.05/10,638,076.10 - Step 6: Final answer
x = 6,367,443.87
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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.