Finding the Fourth Proportional to 10,203,717.06, 14,081,143.92 and 5,557,520.28
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Solution
The fourth proportional to 10,203,717.06, 14,081,143.92 and 5,557,520.28 is: 7,669,385.82
Step by Step Solution
- Step 1: Write the proportion equation
10,203,717.06 : 14,081,143.92 = 5,557,520.28 : x - Step 2: Convert to fraction form
10,203,717.06/14,081,143.92 = 5,557,520.28/x - Step 3: Cross multiply
10,203,717.06x = 14,081,143.92 × 5,557,520.28 - Step 4: Simplify right side
10,203,717.06x = 78,256,242,900,998.70 - Step 5: Solve for x
x = 78,256,242,900,998.70/10,203,717.06 - Step 6: Final answer
x = 7,669,385.82
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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.