Finding the Fourth Proportional to 7,207,710.19, 9,946,507.08 and 3,944,459.46
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Solution
The fourth proportional to 7,207,710.19, 9,946,507.08 and 3,944,459.46 is: 5,443,281.28
Step by Step Solution
- Step 1: Write the proportion equation
7,207,710.19 : 9,946,507.08 = 3,944,459.46 : x - Step 2: Convert to fraction form
7,207,710.19/9,946,507.08 = 3,944,459.46/x - Step 3: Cross multiply
7,207,710.19x = 9,946,507.08 × 3,944,459.46 - Step 4: Simplify right side
7,207,710.19x = 39,233,593,945,662.98 - Step 5: Solve for x
x = 39,233,593,945,662.98/7,207,710.19 - Step 6: Final answer
x = 5,443,281.28
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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.