Finding the Fourth Proportional to 10,126,055.18, 13,974,202.14 and 5,775,546.26
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Solution
The fourth proportional to 10,126,055.18, 13,974,202.14 and 5,775,546.26 is: 7,970,394.14
Step by Step Solution
- Step 1: Write the proportion equation
10,126,055.18 : 13,974,202.14 = 5,775,546.26 : x - Step 2: Convert to fraction form
10,126,055.18/13,974,202.14 = 5,775,546.26/x - Step 3: Cross multiply
10,126,055.18x = 13,974,202.14 × 5,775,546.26 - Step 4: Simplify right side
10,126,055.18x = 80,708,650,906,161 - Step 5: Solve for x
x = 80,708,650,906,161/10,126,055.18 - Step 6: Final answer
x = 7,970,394.14
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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.