Finding the Fourth Proportional to 19,282,002.18, 26,609,622.86 and 11,022,832.92
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Solution
The fourth proportional to 19,282,002.18, 26,609,622.86 and 11,022,832.92 is: 15,211,772.31
Step by Step Solution
- Step 1: Write the proportion equation
19,282,002.18 : 26,609,622.86 = 11,022,832.92 : x - Step 2: Convert to fraction form
19,282,002.18/26,609,622.86 = 11,022,832.92/x - Step 3: Cross multiply
19,282,002.18x = 26,609,622.86 × 11,022,832.92 - Step 4: Simplify right side
19,282,002.18x = 293,313,426,794,878.38 - Step 5: Solve for x
x = 293,313,426,794,878.38/19,282,002.18 - Step 6: Final answer
x = 15,211,772.31
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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.