Finding the Fourth Proportional to 38,173,237.96, 57,285,051.20 and 20,234,939.08
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Solution
The fourth proportional to 38,173,237.96, 57,285,051.20 and 20,234,939.08 is: 30,365,763.64
Step by Step Solution
- Step 1: Write the proportion equation
38,173,237.96 : 57,285,051.20 = 20,234,939.08 : x - Step 2: Convert to fraction form
38,173,237.96/57,285,051.20 = 20,234,939.08/x - Step 3: Cross multiply
38,173,237.96x = 57,285,051.20 × 20,234,939.08 - Step 4: Simplify right side
38,173,237.96x = 1,159,159,521,226,680.75 - Step 5: Solve for x
x = 1,159,159,521,226,680.75/38,173,237.96 - Step 6: Final answer
x = 30,365,763.64
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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.