Finding the Fourth Proportional to 27,181,965.71, 37,511,118.87 and 14,958,822.71
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Solution
The fourth proportional to 27,181,965.71, 37,511,118.87 and 14,958,822.71 is: 20,643,178.75
Step by Step Solution
- Step 1: Write the proportion equation
27,181,965.71 : 37,511,118.87 = 14,958,822.71 : x - Step 2: Convert to fraction form
27,181,965.71/37,511,118.87 = 14,958,822.71/x - Step 3: Cross multiply
27,181,965.71x = 37,511,118.87 × 14,958,822.71 - Step 4: Simplify right side
27,181,965.71x = 561,122,176,867,747.75 - Step 5: Solve for x
x = 561,122,176,867,747.75/27,181,965.71 - Step 6: Final answer
x = 20,643,178.75
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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.