Finding the Fourth Proportional to 11,391,493.23, 15,720,260.69 and 6,234,854.79
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Solution
The fourth proportional to 11,391,493.23, 15,720,260.69 and 6,234,854.79 is: 8,604,099.63
Step by Step Solution
- Step 1: Write the proportion equation
11,391,493.23 : 15,720,260.69 = 6,234,854.79 : x - Step 2: Convert to fraction form
11,391,493.23/15,720,260.69 = 6,234,854.79/x - Step 3: Cross multiply
11,391,493.23x = 15,720,260.69 × 6,234,854.79 - Step 4: Simplify right side
11,391,493.23x = 98,013,542,631,920.94 - Step 5: Solve for x
x = 98,013,542,631,920.94/11,391,493.23 - Step 6: Final answer
x = 8,604,099.63
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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.