Finding the Fourth Proportional to 38,471,921.10, 57,791,862.45 and 27,134,513.10
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Solution
The fourth proportional to 38,471,921.10, 57,791,862.45 and 27,134,513.10 is: 40,761,001.89
Step by Step Solution
- Step 1: Write the proportion equation
38,471,921.10 : 57,791,862.45 = 27,134,513.10 : x - Step 2: Convert to fraction form
38,471,921.10/57,791,862.45 = 27,134,513.10/x - Step 3: Cross multiply
38,471,921.10x = 57,791,862.45 × 27,134,513.10 - Step 4: Simplify right side
38,471,921.10x = 1,568,154,048,722,923.25 - Step 5: Solve for x
x = 1,568,154,048,722,923.25/38,471,921.10 - Step 6: Final answer
x = 40,761,001.89
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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.