Finding the Fourth Proportional to 27,635,867.61, 41,489,723.49 and 21,250,603.98
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Solution
The fourth proportional to 27,635,867.61, 41,489,723.49 and 21,250,603.98 is: 31,903,528.25
Step by Step Solution
- Step 1: Write the proportion equation
27,635,867.61 : 41,489,723.49 = 21,250,603.98 : x - Step 2: Convert to fraction form
27,635,867.61/41,489,723.49 = 21,250,603.98/x - Step 3: Cross multiply
27,635,867.61x = 41,489,723.49 × 21,250,603.98 - Step 4: Simplify right side
27,635,867.61x = 881,681,683,125,693.50 - Step 5: Solve for x
x = 881,681,683,125,693.50/27,635,867.61 - Step 6: Final answer
x = 31,903,528.25
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.