Finding the Fourth Proportional to 10,992,160.91, 16,488,381.68 and 2,905,066.68
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Solution
The fourth proportional to 10,992,160.91, 16,488,381.68 and 2,905,066.68 is: 4,357,637.09
Step by Step Solution
- Step 1: Write the proportion equation
10,992,160.91 : 16,488,381.68 = 2,905,066.68 : x - Step 2: Convert to fraction form
10,992,160.91/16,488,381.68 = 2,905,066.68/x - Step 3: Cross multiply
10,992,160.91x = 16,488,381.68 × 2,905,066.68 - Step 4: Simplify right side
10,992,160.91x = 47,899,848,128,723.18 - Step 5: Solve for x
x = 47,899,848,128,723.18/10,992,160.91 - Step 6: Final answer
x = 4,357,637.09
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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.