Finding the Fourth Proportional to 38,497,615.74, 57,744,948.93 and 12,954,304.38
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Solution
The fourth proportional to 38,497,615.74, 57,744,948.93 and 12,954,304.38 is: 19,430,960.35
Step by Step Solution
- Step 1: Write the proportion equation
38,497,615.74 : 57,744,948.93 = 12,954,304.38 : x - Step 2: Convert to fraction form
38,497,615.74/57,744,948.93 = 12,954,304.38/x - Step 3: Cross multiply
38,497,615.74x = 57,744,948.93 × 12,954,304.38 - Step 4: Simplify right side
38,497,615.74x = 748,045,644,846,775.38 - Step 5: Solve for x
x = 748,045,644,846,775.38/38,497,615.74 - Step 6: Final answer
x = 19,430,960.35
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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.