Finding the Fourth Proportional to 15,187,676.10, 22,786,840.88 and 4,405,623.95
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Solution
The fourth proportional to 15,187,676.10, 22,786,840.88 and 4,405,623.95 is: 6,609,981.09
Step by Step Solution
- Step 1: Write the proportion equation
15,187,676.10 : 22,786,840.88 = 4,405,623.95 : x - Step 2: Convert to fraction form
15,187,676.10/22,786,840.88 = 4,405,623.95/x - Step 3: Cross multiply
15,187,676.10x = 22,786,840.88 × 4,405,623.95 - Step 4: Simplify right side
15,187,676.10x = 100,390,251,789,804.77 - Step 5: Solve for x
x = 100,390,251,789,804.77/15,187,676.10 - Step 6: Final answer
x = 6,609,981.09
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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.