Finding the Fourth Proportional to 6,721,335.85, 9,276,276.72 and 4,107,302.23
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Solution
The fourth proportional to 6,721,335.85, 9,276,276.72 and 4,107,302.23 is: 5,668,586.26
Step by Step Solution
- Step 1: Write the proportion equation
6,721,335.85 : 9,276,276.72 = 4,107,302.23 : x - Step 2: Convert to fraction form
6,721,335.85/9,276,276.72 = 4,107,302.23/x - Step 3: Cross multiply
6,721,335.85x = 9,276,276.72 × 4,107,302.23 - Step 4: Simplify right side
6,721,335.85x = 38,100,472,058,153.09 - Step 5: Solve for x
x = 38,100,472,058,153.09/6,721,335.85 - Step 6: Final answer
x = 5,668,586.26
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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.