Finding the Fourth Proportional to 27,658,295.13, 38,167,446.84 and 15,268,122.59
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Solution
The fourth proportional to 27,658,295.13, 38,167,446.84 and 15,268,122.59 is: 21,069,456.90
Step by Step Solution
- Step 1: Write the proportion equation
27,658,295.13 : 38,167,446.84 = 15,268,122.59 : x - Step 2: Convert to fraction form
27,658,295.13/38,167,446.84 = 15,268,122.59/x - Step 3: Cross multiply
27,658,295.13x = 38,167,446.84 × 15,268,122.59 - Step 4: Simplify right side
27,658,295.13x = 582,745,257,109,591 - Step 5: Solve for x
x = 582,745,257,109,591/27,658,295.13 - Step 6: Final answer
x = 21,069,456.90
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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.