Finding the Fourth Proportional to 27,111,546.76, 37,412,587.39 and 15,348,985.96
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Solution
The fourth proportional to 27,111,546.76, 37,412,587.39 and 15,348,985.96 is: 21,180,837.95
Step by Step Solution
- Step 1: Write the proportion equation
27,111,546.76 : 37,412,587.39 = 15,348,985.96 : x - Step 2: Convert to fraction form
27,111,546.76/37,412,587.39 = 15,348,985.96/x - Step 3: Cross multiply
27,111,546.76x = 37,412,587.39 × 15,348,985.96 - Step 4: Simplify right side
27,111,546.76x = 574,245,278,389,320.12 - Step 5: Solve for x
x = 574,245,278,389,320.12/27,111,546.76 - Step 6: Final answer
x = 21,180,837.95
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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.