Finding the Fourth Proportional to 27,022,403.36, 37,293,578.88 and 15,421,712.96
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Solution
The fourth proportional to 27,022,403.36, 37,293,578.88 and 15,421,712.96 is: 21,283,483.23
Step by Step Solution
- Step 1: Write the proportion equation
27,022,403.36 : 37,293,578.88 = 15,421,712.96 : x - Step 2: Convert to fraction form
27,022,403.36/37,293,578.88 = 15,421,712.96/x - Step 3: Cross multiply
27,022,403.36x = 37,293,578.88 × 15,421,712.96 - Step 4: Simplify right side
27,022,403.36x = 575,130,868,738,478.38 - Step 5: Solve for x
x = 575,130,868,738,478.38/27,022,403.36 - Step 6: Final answer
x = 21,283,483.23
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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.