Finding the Fourth Proportional to 38,433,519.08, 57,651,324.06 and 12,869,763.56
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Solution
The fourth proportional to 38,433,519.08, 57,651,324.06 and 12,869,763.56 is: 19,304,995.41
Step by Step Solution
- Step 1: Write the proportion equation
38,433,519.08 : 57,651,324.06 = 12,869,763.56 : x - Step 2: Convert to fraction form
38,433,519.08/57,651,324.06 = 12,869,763.56/x - Step 3: Cross multiply
38,433,519.08x = 57,651,324.06 × 12,869,763.56 - Step 4: Simplify right side
38,433,519.08x = 741,958,909,573,139.38 - Step 5: Solve for x
x = 741,958,909,573,139.38/38,433,519.08 - Step 6: Final answer
x = 19,304,995.41
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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.