Finding the Fourth Proportional to 17,607,909.12, 24,289,971.84 and 11,499,912.96
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Solution
The fourth proportional to 17,607,909.12, 24,289,971.84 and 11,499,912.96 is: 15,864,039.28
Step by Step Solution
- Step 1: Write the proportion equation
17,607,909.12 : 24,289,971.84 = 11,499,912.96 : x - Step 2: Convert to fraction form
17,607,909.12/24,289,971.84 = 11,499,912.96/x - Step 3: Cross multiply
17,607,909.12x = 24,289,971.84 × 11,499,912.96 - Step 4: Simplify right side
17,607,909.12x = 279,332,561,960,851.06 - Step 5: Solve for x
x = 279,332,561,960,851.06/17,607,909.12 - Step 6: Final answer
x = 15,864,039.28
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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.