Finding the Fourth Proportional to 11,005,809.05, 16,508,713.58 and 3,432,762.65
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Solution
The fourth proportional to 11,005,809.05, 16,508,713.58 and 3,432,762.65 is: 5,149,143.98
Step by Step Solution
- Step 1: Write the proportion equation
11,005,809.05 : 16,508,713.58 = 3,432,762.65 : x - Step 2: Convert to fraction form
11,005,809.05/16,508,713.58 = 3,432,762.65/x - Step 3: Cross multiply
11,005,809.05x = 16,508,713.58 × 3,432,762.65 - Step 4: Simplify right side
11,005,809.05x = 56,670,495,359,807.97 - Step 5: Solve for x
x = 56,670,495,359,807.97/11,005,809.05 - Step 6: Final answer
x = 5,149,143.98
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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.