Finding the Fourth Proportional to 27,756,810.46, 38,304,407.70 and 15,198,659.38
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Solution
The fourth proportional to 27,756,810.46, 38,304,407.70 and 15,198,659.38 is: 20,974,155.02
Step by Step Solution
- Step 1: Write the proportion equation
27,756,810.46 : 38,304,407.70 = 15,198,659.38 : x - Step 2: Convert to fraction form
27,756,810.46/38,304,407.70 = 15,198,659.38/x - Step 3: Cross multiply
27,756,810.46x = 38,304,407.70 × 15,198,659.38 - Step 4: Simplify right side
27,756,810.46x = 582,175,645,384,949.25 - Step 5: Solve for x
x = 582,175,645,384,949.25/27,756,810.46 - Step 6: Final answer
x = 20,974,155.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.