Finding the Fourth Proportional to 10,921,851.80, 16,351,284.90 and 6,670,323.80
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Solution
The fourth proportional to 10,921,851.80, 16,351,284.90 and 6,670,323.80 is: 9,986,252.04
Step by Step Solution
- Step 1: Write the proportion equation
10,921,851.80 : 16,351,284.90 = 6,670,323.80 : x - Step 2: Convert to fraction form
10,921,851.80/16,351,284.90 = 6,670,323.80/x - Step 3: Cross multiply
10,921,851.80x = 16,351,284.90 × 6,670,323.80 - Step 4: Simplify right side
10,921,851.80x = 109,068,364,829,050.62 - Step 5: Solve for x
x = 109,068,364,829,050.62/10,921,851.80 - Step 6: Final answer
x = 9,986,252.04
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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.