Finding the Fourth Proportional to 35,493,414.84, 48,980,912.40 and 19,195,890.84
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Solution
The fourth proportional to 35,493,414.84, 48,980,912.40 and 19,195,890.84 is: 26,490,329.32
Step by Step Solution
- Step 1: Write the proportion equation
35,493,414.84 : 48,980,912.40 = 19,195,890.84 : x - Step 2: Convert to fraction form
35,493,414.84/48,980,912.40 = 19,195,890.84/x - Step 3: Cross multiply
35,493,414.84x = 48,980,912.40 × 19,195,890.84 - Step 4: Simplify right side
35,493,414.84x = 940,232,247,674,002.38 - Step 5: Solve for x
x = 940,232,247,674,002.38/35,493,414.84 - Step 6: Final answer
x = 26,490,329.32
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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.