Finding the Fourth Proportional to 19,250,318.19, 26,565,439.10 and 11,101,556.19
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Solution
The fourth proportional to 19,250,318.19, 26,565,439.10 and 11,101,556.19 is: 15,320,147.54
Step by Step Solution
- Step 1: Write the proportion equation
19,250,318.19 : 26,565,439.10 = 11,101,556.19 : x - Step 2: Convert to fraction form
19,250,318.19/26,565,439.10 = 11,101,556.19/x - Step 3: Cross multiply
19,250,318.19x = 26,565,439.10 × 11,101,556.19 - Step 4: Simplify right side
19,250,318.19x = 294,917,714,880,673.06 - Step 5: Solve for x
x = 294,917,714,880,673.06/19,250,318.19 - Step 6: Final answer
x = 15,320,147.54
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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.