Finding the Fourth Proportional to 34,909,836.66, 48,175,574.19 and 20,234,015.52
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Solution
The fourth proportional to 34,909,836.66, 48,175,574.19 and 20,234,015.52 is: 27,922,941.19
Step by Step Solution
- Step 1: Write the proportion equation
34,909,836.66 : 48,175,574.19 = 20,234,015.52 : x - Step 2: Convert to fraction form
34,909,836.66/48,175,574.19 = 20,234,015.52/x - Step 3: Cross multiply
34,909,836.66x = 48,175,574.19 × 20,234,015.52 - Step 4: Simplify right side
34,909,836.66x = 974,785,315,845,371.38 - Step 5: Solve for x
x = 974,785,315,845,371.38/34,909,836.66 - Step 6: Final answer
x = 27,922,941.19
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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.