Finding the Fourth Proportional to 13,217,842.41, 19,813,123.98 and 5,545,942.08
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Solution
The fourth proportional to 13,217,842.41, 19,813,123.98 and 5,545,942.08 is: 8,313,190.20
Step by Step Solution
- Step 1: Write the proportion equation
13,217,842.41 : 19,813,123.98 = 5,545,942.08 : x - Step 2: Convert to fraction form
13,217,842.41/19,813,123.98 = 5,545,942.08/x - Step 3: Cross multiply
13,217,842.41x = 19,813,123.98 × 5,545,942.08 - Step 4: Simplify right side
13,217,842.41x = 109,882,438,016,939.08 - Step 5: Solve for x
x = 109,882,438,016,939.08/13,217,842.41 - Step 6: Final answer
x = 8,313,190.20
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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.