Finding the Fourth Proportional to 39,790,680.29, 54,910,576.35 and 22,386,984
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Solution
The fourth proportional to 39,790,680.29, 54,910,576.35 and 22,386,984 is: 30,893,721.47
Step by Step Solution
- Step 1: Write the proportion equation
39,790,680.29 : 54,910,576.35 = 22,386,984 : x - Step 2: Convert to fraction form
39,790,680.29/54,910,576.35 = 22,386,984/x - Step 3: Cross multiply
39,790,680.29x = 54,910,576.35 × 22,386,984 - Step 4: Simplify right side
39,790,680.29x = 1,229,282,194,178,228.50 - Step 5: Solve for x
x = 1,229,282,194,178,228.50/39,790,680.29 - Step 6: Final answer
x = 30,893,721.47
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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.