Finding the Fourth Proportional to 7,127,508.34, 9,836,169.00 and 4,029,965.19
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Solution
The fourth proportional to 7,127,508.34, 9,836,169.00 and 4,029,965.19 is: 5,561,469.28
Step by Step Solution
- Step 1: Write the proportion equation
7,127,508.34 : 9,836,169.00 = 4,029,965.19 : x - Step 2: Convert to fraction form
7,127,508.34/9,836,169.00 = 4,029,965.19/x - Step 3: Cross multiply
7,127,508.34x = 9,836,169.00 × 4,029,965.19 - Step 4: Simplify right side
7,127,508.34x = 39,639,418,651,791.13 - Step 5: Solve for x
x = 39,639,418,651,791.13/7,127,508.34 - Step 6: Final answer
x = 5,561,469.28
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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.