Finding the Fourth Proportional to 27,878,556.51, 38,472,890.36 and 16,276,608.99
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Solution
The fourth proportional to 27,878,556.51, 38,472,890.36 and 16,276,608.99 is: 22,462,002.03
Step by Step Solution
- Step 1: Write the proportion equation
27,878,556.51 : 38,472,890.36 = 16,276,608.99 : x - Step 2: Convert to fraction form
27,878,556.51/38,472,890.36 = 16,276,608.99/x - Step 3: Cross multiply
27,878,556.51x = 38,472,890.36 × 16,276,608.99 - Step 4: Simplify right side
27,878,556.51x = 626,208,193,023,477.25 - Step 5: Solve for x
x = 626,208,193,023,477.25/27,878,556.51 - Step 6: Final answer
x = 22,462,002.03
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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.