Finding the Fourth Proportional to 16,412,331.25, 22,649,087.40 and 8,970,143.59
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Solution
The fourth proportional to 16,412,331.25, 22,649,087.40 and 8,970,143.59 is: 12,378,836.56
Step by Step Solution
- Step 1: Write the proportion equation
16,412,331.25 : 22,649,087.40 = 8,970,143.59 : x - Step 2: Convert to fraction form
16,412,331.25/22,649,087.40 = 8,970,143.59/x - Step 3: Cross multiply
16,412,331.25x = 22,649,087.40 × 8,970,143.59 - Step 4: Simplify right side
16,412,331.25x = 203,165,566,029,243.28 - Step 5: Solve for x
x = 203,165,566,029,243.28/16,412,331.25 - Step 6: Final answer
x = 12,378,836.56
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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.