Finding the Fourth Proportional to 38,214,548.44, 52,733,688.06 and 21,045,140.44
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Solution
The fourth proportional to 38,214,548.44, 52,733,688.06 and 21,045,140.44 is: 29,040,978.28
Step by Step Solution
- Step 1: Write the proportion equation
38,214,548.44 : 52,733,688.06 = 21,045,140.44 : x - Step 2: Convert to fraction form
38,214,548.44/52,733,688.06 = 21,045,140.44/x - Step 3: Cross multiply
38,214,548.44x = 52,733,688.06 × 21,045,140.44 - Step 4: Simplify right side
38,214,548.44x = 1,109,787,871,141,851.25 - Step 5: Solve for x
x = 1,109,787,871,141,851.25/38,214,548.44 - Step 6: Final answer
x = 29,040,978.28
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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.