Finding the Fourth Proportional to 7,215,179.48, 9,956,824.61 and 3,907,446.84
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Solution
The fourth proportional to 7,215,179.48, 9,956,824.61 and 3,907,446.84 is: 5,392,209.99
Step by Step Solution
- Step 1: Write the proportion equation
7,215,179.48 : 9,956,824.61 = 3,907,446.84 : x - Step 2: Convert to fraction form
7,215,179.48/9,956,824.61 = 3,907,446.84/x - Step 3: Cross multiply
7,215,179.48x = 9,956,824.61 × 3,907,446.84 - Step 4: Simplify right side
7,215,179.48x = 38,905,762,842,551.84 - Step 5: Solve for x
x = 38,905,762,842,551.84/7,215,179.48 - Step 6: Final answer
x = 5,392,209.99
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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.