Finding the Fourth Proportional to 28,639,264.92, 39,526,350.80 and 16,081,729.08
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Solution
The fourth proportional to 28,639,264.92, 39,526,350.80 and 16,081,729.08 is: 22,195,125.01
Step by Step Solution
- Step 1: Write the proportion equation
28,639,264.92 : 39,526,350.80 = 16,081,729.08 : x - Step 2: Convert to fraction form
28,639,264.92/39,526,350.80 = 16,081,729.08/x - Step 3: Cross multiply
28,639,264.92x = 39,526,350.80 × 16,081,729.08 - Step 4: Simplify right side
28,639,264.92x = 635,652,065,086,641.25 - Step 5: Solve for x
x = 635,652,065,086,641.25/28,639,264.92 - Step 6: Final answer
x = 22,195,125.01
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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.