Finding the Fourth Proportional to 11,293,049.28, 15,584,506.74 and 6,136,410.81
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Solution
The fourth proportional to 11,293,049.28, 15,584,506.74 and 6,136,410.81 is: 8,468,300.57
Step by Step Solution
- Step 1: Write the proportion equation
11,293,049.28 : 15,584,506.74 = 6,136,410.81 : x - Step 2: Convert to fraction form
11,293,049.28/15,584,506.74 = 6,136,410.81/x - Step 3: Cross multiply
11,293,049.28x = 15,584,506.74 × 6,136,410.81 - Step 4: Simplify right side
11,293,049.28x = 95,632,935,627,853.86 - Step 5: Solve for x
x = 95,632,935,627,853.86/11,293,049.28 - Step 6: Final answer
x = 8,468,300.57
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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.