Finding the Fourth Proportional to 10,976,420.79, 15,147,260.19 and 6,081,624.99
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Solution
The fourth proportional to 10,976,420.79, 15,147,260.19 and 6,081,624.99 is: 8,392,531.40
Step by Step Solution
- Step 1: Write the proportion equation
10,976,420.79 : 15,147,260.19 = 6,081,624.99 : x - Step 2: Convert to fraction form
10,976,420.79/15,147,260.19 = 6,081,624.99/x - Step 3: Cross multiply
10,976,420.79x = 15,147,260.19 × 6,081,624.99 - Step 4: Simplify right side
10,976,420.79x = 92,119,956,101,536.14 - Step 5: Solve for x
x = 92,119,956,101,536.14/10,976,420.79 - Step 6: Final answer
x = 8,392,531.40
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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.