Finding the Fourth Proportional to 11,192,700.34, 16,762,145.75 and 6,385,816.50
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Solution
The fourth proportional to 11,192,700.34, 16,762,145.75 and 6,385,816.50 is: 9,563,374.67
Step by Step Solution
- Step 1: Write the proportion equation
11,192,700.34 : 16,762,145.75 = 6,385,816.50 : x - Step 2: Convert to fraction form
11,192,700.34/16,762,145.75 = 6,385,816.50/x - Step 3: Cross multiply
11,192,700.34x = 16,762,145.75 × 6,385,816.50 - Step 4: Simplify right side
11,192,700.34x = 107,039,986,905,754.88 - Step 5: Solve for x
x = 107,039,986,905,754.88/11,192,700.34 - Step 6: Final answer
x = 9,563,374.67
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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.