Finding the Fourth Proportional to 45,690,759.84, 68,536,375.92 and 15,398,885.28
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Solution
The fourth proportional to 45,690,759.84, 68,536,375.92 and 15,398,885.28 is: 23,098,407.51
Step by Step Solution
- Step 1: Write the proportion equation
45,690,759.84 : 68,536,375.92 = 15,398,885.28 : x - Step 2: Convert to fraction form
45,690,759.84/68,536,375.92 = 15,398,885.28/x - Step 3: Cross multiply
45,690,759.84x = 68,536,375.92 × 15,398,885.28 - Step 4: Simplify right side
45,690,759.84x = 1,055,383,790,299,034.50 - Step 5: Solve for x
x = 1,055,383,790,299,034.50/45,690,759.84 - Step 6: Final answer
x = 23,098,407.51
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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.