Finding the Fourth Proportional to 8,189,385.96, 11,301,391.90 and 4,518,302.28
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Solution
The fourth proportional to 8,189,385.96, 11,301,391.90 and 4,518,302.28 is: 6,235,278.82
Step by Step Solution
- Step 1: Write the proportion equation
8,189,385.96 : 11,301,391.90 = 4,518,302.28 : x - Step 2: Convert to fraction form
8,189,385.96/11,301,391.90 = 4,518,302.28/x - Step 3: Cross multiply
8,189,385.96x = 11,301,391.90 × 4,518,302.28 - Step 4: Simplify right side
8,189,385.96x = 51,063,104,788,943.54 - Step 5: Solve for x
x = 51,063,104,788,943.54/8,189,385.96 - Step 6: Final answer
x = 6,235,278.82
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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.