Finding the Fourth Proportional to 11,992,937.80, 16,550,253.99 and 6,486,313.13
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Solution
The fourth proportional to 11,992,937.80, 16,550,253.99 and 6,486,313.13 is: 8,951,112.03
Step by Step Solution
- Step 1: Write the proportion equation
11,992,937.80 : 16,550,253.99 = 6,486,313.13 : x - Step 2: Convert to fraction form
11,992,937.80/16,550,253.99 = 6,486,313.13/x - Step 3: Cross multiply
11,992,937.80x = 16,550,253.99 × 6,486,313.13 - Step 4: Simplify right side
11,992,937.80x = 107,350,129,801,547.53 - Step 5: Solve for x
x = 107,350,129,801,547.53/11,992,937.80 - Step 6: Final answer
x = 8,951,112.03
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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.