Finding the Fourth Proportional to 10,976,391.39, 15,146,909.84 and 6,014,803.26
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Solution
The fourth proportional to 10,976,391.39, 15,146,909.84 and 6,014,803.26 is: 8,300,148.88
Step by Step Solution
- Step 1: Write the proportion equation
10,976,391.39 : 15,146,909.84 = 6,014,803.26 : x - Step 2: Convert to fraction form
10,976,391.39/15,146,909.84 = 6,014,803.26/x - Step 3: Cross multiply
10,976,391.39x = 15,146,909.84 × 6,014,803.26 - Step 4: Simplify right side
10,976,391.39x = 91,105,682,654,484.06 - Step 5: Solve for x
x = 91,105,682,654,484.06/10,976,391.39 - Step 6: Final answer
x = 8,300,148.88
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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.