Finding the Fourth Proportional to 11,293,079.20, 15,584,419.68 and 6,136,440.96
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Solution
The fourth proportional to 11,293,079.20, 15,584,419.68 and 6,136,440.96 is: 8,468,272.43
Step by Step Solution
- Step 1: Write the proportion equation
11,293,079.20 : 15,584,419.68 = 6,136,440.96 : x - Step 2: Convert to fraction form
11,293,079.20/15,584,419.68 = 6,136,440.96/x - Step 3: Cross multiply
11,293,079.20x = 15,584,419.68 × 6,136,440.96 - Step 4: Simplify right side
11,293,079.20x = 95,632,871,262,182.09 - Step 5: Solve for x
x = 95,632,871,262,182.09/11,293,079.20 - Step 6: Final answer
x = 8,468,272.43
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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.