Finding the Fourth Proportional to 30,535,933.24, 42,139,115.58 and 16,784,601.88
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Solution
The fourth proportional to 30,535,933.24, 42,139,115.58 and 16,784,601.88 is: 23,162,490.99
Step by Step Solution
- Step 1: Write the proportion equation
30,535,933.24 : 42,139,115.58 = 16,784,601.88 : x - Step 2: Convert to fraction form
30,535,933.24/42,139,115.58 = 16,784,601.88/x - Step 3: Cross multiply
30,535,933.24x = 42,139,115.58 × 16,784,601.88 - Step 4: Simplify right side
30,535,933.24x = 707,288,278,585,605.25 - Step 5: Solve for x
x = 707,288,278,585,605.25/30,535,933.24 - Step 6: Final answer
x = 23,162,490.99
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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.