Finding the Fourth Proportional to 6,912,670.05, 9,537,208.20 and 4,466,721.96
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Solution
The fourth proportional to 6,912,670.05, 9,537,208.20 and 4,466,721.96 is: 6,162,605.33
Step by Step Solution
- Step 1: Write the proportion equation
6,912,670.05 : 9,537,208.20 = 4,466,721.96 : x - Step 2: Convert to fraction form
6,912,670.05/9,537,208.20 = 4,466,721.96/x - Step 3: Cross multiply
6,912,670.05x = 9,537,208.20 × 4,466,721.96 - Step 4: Simplify right side
6,912,670.05x = 42,600,057,304,032.07 - Step 5: Solve for x
x = 42,600,057,304,032.07/6,912,670.05 - Step 6: Final answer
x = 6,162,605.33
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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.