Finding the Fourth Proportional to 8,752,871.72, 13,129,121.98 and 2,917,479.36
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Solution
The fourth proportional to 8,752,871.72, 13,129,121.98 and 2,917,479.36 is: 4,376,157.18
Step by Step Solution
- Step 1: Write the proportion equation
8,752,871.72 : 13,129,121.98 = 2,917,479.36 : x - Step 2: Convert to fraction form
8,752,871.72/13,129,121.98 = 2,917,479.36/x - Step 3: Cross multiply
8,752,871.72x = 13,129,121.98 × 2,917,479.36 - Step 4: Simplify right side
8,752,871.72x = 38,303,942,391,572.34 - Step 5: Solve for x
x = 38,303,942,391,572.34/8,752,871.72 - Step 6: Final answer
x = 4,376,157.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.