Finding the Fourth Proportional to 10,921,850.80, 16,351,283.40 and 6,670,322.80
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Solution
The fourth proportional to 10,921,850.80, 16,351,283.40 and 6,670,322.80 is: 9,986,250.54
Step by Step Solution
- Step 1: Write the proportion equation
10,921,850.80 : 16,351,283.40 = 6,670,322.80 : x - Step 2: Convert to fraction form
10,921,850.80/16,351,283.40 = 6,670,322.80/x - Step 3: Cross multiply
10,921,850.80x = 16,351,283.40 × 6,670,322.80 - Step 4: Simplify right side
10,921,850.80x = 109,068,338,472,281.52 - Step 5: Solve for x
x = 109,068,338,472,281.52/10,921,850.80 - Step 6: Final answer
x = 9,986,250.54
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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.