Finding the Fourth Proportional to 38,335,520.68, 57,521,237.92 and 18,894,148.47
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Solution
The fourth proportional to 38,335,520.68, 57,521,237.92 and 18,894,148.47 is: 28,350,072.99
Step by Step Solution
- Step 1: Write the proportion equation
38,335,520.68 : 57,521,237.92 = 18,894,148.47 : x - Step 2: Convert to fraction form
38,335,520.68/57,521,237.92 = 18,894,148.47/x - Step 3: Cross multiply
38,335,520.68x = 57,521,237.92 × 18,894,148.47 - Step 4: Simplify right side
38,335,520.68x = 1,086,814,809,438,674 - Step 5: Solve for x
x = 1,086,814,809,438,674/38,335,520.68 - Step 6: Final answer
x = 28,350,072.99
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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.