Finding the Fourth Proportional to 38,315,240.74, 57,422,958.63 and 15,569,546.50
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Solution
The fourth proportional to 38,315,240.74, 57,422,958.63 and 15,569,546.50 is: 23,334,041.68
Step by Step Solution
- Step 1: Write the proportion equation
38,315,240.74 : 57,422,958.63 = 15,569,546.50 : x - Step 2: Convert to fraction form
38,315,240.74/57,422,958.63 = 15,569,546.50/x - Step 3: Cross multiply
38,315,240.74x = 57,422,958.63 × 15,569,546.50 - Step 4: Simplify right side
38,315,240.74x = 894,049,424,557,361.38 - Step 5: Solve for x
x = 894,049,424,557,361.38/38,315,240.74 - Step 6: Final answer
x = 23,334,041.68
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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.