Finding the Fourth Proportional to 35,206,479.44, 48,578,517.56 and 20,316,371.36
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Solution
The fourth proportional to 35,206,479.44, 48,578,517.56 and 20,316,371.36 is: 28,032,885.38
Step by Step Solution
- Step 1: Write the proportion equation
35,206,479.44 : 48,578,517.56 = 20,316,371.36 : x - Step 2: Convert to fraction form
35,206,479.44/48,578,517.56 = 20,316,371.36/x - Step 3: Cross multiply
35,206,479.44x = 48,578,517.56 × 20,316,371.36 - Step 4: Simplify right side
35,206,479.44x = 986,939,202,867,241.12 - Step 5: Solve for x
x = 986,939,202,867,241.12/35,206,479.44 - Step 6: Final answer
x = 28,032,885.38
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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.