Finding the Fourth Proportional to 8,031,587.40, 11,074,226.04 and 5,990,853.96
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Solution
The fourth proportional to 8,031,587.40, 11,074,226.04 and 5,990,853.96 is: 8,260,393.32
Step by Step Solution
- Step 1: Write the proportion equation
8,031,587.40 : 11,074,226.04 = 5,990,853.96 : x - Step 2: Convert to fraction form
8,031,587.40/11,074,226.04 = 5,990,853.96/x - Step 3: Cross multiply
8,031,587.40x = 11,074,226.04 × 5,990,853.96 - Step 4: Simplify right side
8,031,587.40x = 66,344,070,925,669.11 - Step 5: Solve for x
x = 66,344,070,925,669.11/8,031,587.40 - Step 6: Final answer
x = 8,260,393.32
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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.