Finding the Fourth Proportional to 7,418,964.74, 10,238,739.33 and 4,668,010.23
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Solution
The fourth proportional to 7,418,964.74, 10,238,739.33 and 4,668,010.23 is: 6,442,211.49
Step by Step Solution
- Step 1: Write the proportion equation
7,418,964.74 : 10,238,739.33 = 4,668,010.23 : x - Step 2: Convert to fraction form
7,418,964.74/10,238,739.33 = 4,668,010.23/x - Step 3: Cross multiply
7,418,964.74x = 10,238,739.33 × 4,668,010.23 - Step 4: Simplify right side
7,418,964.74x = 47,794,539,929,021.75 - Step 5: Solve for x
x = 47,794,539,929,021.75/7,418,964.74 - Step 6: Final answer
x = 6,442,211.49
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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.