Finding the Fourth Proportional to 7,811,381.46, 11,717,633.48 and 2,693,737.74
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Solution
The fourth proportional to 7,811,381.46, 11,717,633.48 and 2,693,737.74 is: 4,040,800.17
Step by Step Solution
- Step 1: Write the proportion equation
7,811,381.46 : 11,717,633.48 = 2,693,737.74 : x - Step 2: Convert to fraction form
7,811,381.46/11,717,633.48 = 2,693,737.74/x - Step 3: Cross multiply
7,811,381.46x = 11,717,633.48 × 2,693,737.74 - Step 4: Simplify right side
7,811,381.46x = 31,564,231,515,094.85 - Step 5: Solve for x
x = 31,564,231,515,094.85/7,811,381.46 - Step 6: Final answer
x = 4,040,800.17
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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.