Finding the Fourth Proportional to 15,256,556.69, 21,059,572.93 and 10,101,578.99
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Solution
The fourth proportional to 15,256,556.69, 21,059,572.93 and 10,101,578.99 is: 13,943,836.98
Step by Step Solution
- Step 1: Write the proportion equation
15,256,556.69 : 21,059,572.93 = 10,101,578.99 : x - Step 2: Convert to fraction form
15,256,556.69/21,059,572.93 = 10,101,578.99/x - Step 3: Cross multiply
15,256,556.69x = 21,059,572.93 × 10,101,578.99 - Step 4: Simplify right side
15,256,556.69x = 212,734,939,317,508.91 - Step 5: Solve for x
x = 212,734,939,317,508.91/15,256,556.69 - Step 6: Final answer
x = 13,943,836.98
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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.