Finding the Fourth Proportional to 7,811,380.72, 11,717,632.35 and 2,693,736.99
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Solution
The fourth proportional to 7,811,380.72, 11,717,632.35 and 2,693,736.99 is: 4,040,799.04
Step by Step Solution
- Step 1: Write the proportion equation
7,811,380.72 : 11,717,632.35 = 2,693,736.99 : x - Step 2: Convert to fraction form
7,811,380.72/11,717,632.35 = 2,693,736.99/x - Step 3: Cross multiply
7,811,380.72x = 11,717,632.35 × 2,693,736.99 - Step 4: Simplify right side
7,811,380.72x = 31,564,219,696,415.63 - Step 5: Solve for x
x = 31,564,219,696,415.63/7,811,380.72 - Step 6: Final answer
x = 4,040,799.04
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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.