Finding the Fourth Proportional to 11,374,637.10, 15,697,103.64 and 6,479,786.65
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Solution
The fourth proportional to 11,374,637.10, 15,697,103.64 and 6,479,786.65 is: 8,942,165.07
Step by Step Solution
- Step 1: Write the proportion equation
11,374,637.10 : 15,697,103.64 = 6,479,786.65 : x - Step 2: Convert to fraction form
11,374,637.10/15,697,103.64 = 6,479,786.65/x - Step 3: Cross multiply
11,374,637.10x = 15,697,103.64 × 6,479,786.65 - Step 4: Simplify right side
11,374,637.10x = 101,713,882,610,138.42 - Step 5: Solve for x
x = 101,713,882,610,138.42/11,374,637.10 - Step 6: Final answer
x = 8,942,165.07
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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.