Finding the Fourth Proportional to 7,419,261.24, 10,221,101.10 and 6,972,850.80
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Solution
The fourth proportional to 7,419,261.24, 10,221,101.10 and 6,972,850.80 is: 9,606,106.41
Step by Step Solution
- Step 1: Write the proportion equation
7,419,261.24 : 10,221,101.10 = 6,972,850.80 : x - Step 2: Convert to fraction form
7,419,261.24/10,221,101.10 = 6,972,850.80/x - Step 3: Cross multiply
7,419,261.24x = 10,221,101.10 × 6,972,850.80 - Step 4: Simplify right side
7,419,261.24x = 71,270,212,982,015.88 - Step 5: Solve for x
x = 71,270,212,982,015.88/7,419,261.24 - Step 6: Final answer
x = 9,606,106.41
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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.