Finding the Fourth Proportional to 38,332,898.40, 57,470,986.80 and 18,114,520.80
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Solution
The fourth proportional to 38,332,898.40, 57,470,986.80 and 18,114,520.80 is: 27,158,379.07
Step by Step Solution
- Step 1: Write the proportion equation
38,332,898.40 : 57,470,986.80 = 18,114,520.80 : x - Step 2: Convert to fraction form
38,332,898.40/57,470,986.80 = 18,114,520.80/x - Step 3: Cross multiply
38,332,898.40x = 57,470,986.80 × 18,114,520.80 - Step 4: Simplify right side
38,332,898.40x = 1,041,059,385,785,125.38 - Step 5: Solve for x
x = 1,041,059,385,785,125.38/38,332,898.40 - Step 6: Final answer
x = 27,158,379.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.