Finding the Fourth Proportional to 9,521,327.82, 13,139,527.68 and 5,170,451.70
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Solution
The fourth proportional to 9,521,327.82, 13,139,527.68 and 5,170,451.70 is: 7,135,275.09
Step by Step Solution
- Step 1: Write the proportion equation
9,521,327.82 : 13,139,527.68 = 5,170,451.70 : x - Step 2: Convert to fraction form
9,521,327.82/13,139,527.68 = 5,170,451.70/x - Step 3: Cross multiply
9,521,327.82x = 13,139,527.68 × 5,170,451.70 - Step 4: Simplify right side
9,521,327.82x = 67,937,293,230,253.05 - Step 5: Solve for x
x = 67,937,293,230,253.05/9,521,327.82 - Step 6: Final answer
x = 7,135,275.09
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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.