Finding the Fourth Proportional to 9,192,493.05, 13,770,801.35 and 7,161,225.92
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Solution
The fourth proportional to 9,192,493.05, 13,770,801.35 and 7,161,225.92 is: 10,727,864.47
Step by Step Solution
- Step 1: Write the proportion equation
9,192,493.05 : 13,770,801.35 = 7,161,225.92 : x - Step 2: Convert to fraction form
9,192,493.05/13,770,801.35 = 7,161,225.92/x - Step 3: Cross multiply
9,192,493.05x = 13,770,801.35 × 7,161,225.92 - Step 4: Simplify right side
9,192,493.05x = 98,615,819,550,267.05 - Step 5: Solve for x
x = 98,615,819,550,267.05/9,192,493.05 - Step 6: Final answer
x = 10,727,864.47
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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.