Finding the Fourth Proportional to 28,193,799.97, 38,915,552.79 and 17,028,519.49
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Solution
The fourth proportional to 28,193,799.97, 38,915,552.79 and 17,028,519.49 is: 23,504,254.48
Step by Step Solution
- Step 1: Write the proportion equation
28,193,799.97 : 38,915,552.79 = 17,028,519.49 : x - Step 2: Convert to fraction form
28,193,799.97/38,915,552.79 = 17,028,519.49/x - Step 3: Cross multiply
28,193,799.97x = 38,915,552.79 × 17,028,519.49 - Step 4: Simplify right side
28,193,799.97x = 662,674,249,197,283.38 - Step 5: Solve for x
x = 662,674,249,197,283.38/28,193,799.97 - Step 6: Final answer
x = 23,504,254.48
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1.5x scale
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.