Finding the Fourth Proportional to 16,013,976.14, 22,100,867.81 and 9,139,486.70
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Solution
The fourth proportional to 16,013,976.14, 22,100,867.81 and 9,139,486.70 is: 12,613,393.80
Step by Step Solution
- Step 1: Write the proportion equation
16,013,976.14 : 22,100,867.81 = 9,139,486.70 : x - Step 2: Convert to fraction form
16,013,976.14/22,100,867.81 = 9,139,486.70/x - Step 3: Cross multiply
16,013,976.14x = 22,100,867.81 × 9,139,486.70 - Step 4: Simplify right side
16,013,976.14x = 201,990,587,251,751.34 - Step 5: Solve for x
x = 201,990,587,251,751.34/16,013,976.14 - Step 6: Final answer
x = 12,613,393.80
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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.