Finding the Fourth Proportional to 7,489,919.24, 10,335,499.86 and 4,588,915.68
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Solution
The fourth proportional to 7,489,919.24, 10,335,499.86 and 4,588,915.68 is: 6,332,342.96
Step by Step Solution
- Step 1: Write the proportion equation
7,489,919.24 : 10,335,499.86 = 4,588,915.68 : x - Step 2: Convert to fraction form
7,489,919.24/10,335,499.86 = 4,588,915.68/x - Step 3: Cross multiply
7,489,919.24x = 10,335,499.86 × 4,588,915.68 - Step 4: Simplify right side
7,489,919.24x = 47,428,737,385,400.23 - Step 5: Solve for x
x = 47,428,737,385,400.23/7,489,919.24 - Step 6: Final answer
x = 6,332,342.96
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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.