Finding the Fourth Proportional to 13,772,194.84, 20,660,814.06 and 5,680,756.36
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Solution
The fourth proportional to 13,772,194.84, 20,660,814.06 and 5,680,756.36 is: 8,522,174.73
Step by Step Solution
- Step 1: Write the proportion equation
13,772,194.84 : 20,660,814.06 = 5,680,756.36 : x - Step 2: Convert to fraction form
13,772,194.84/20,660,814.06 = 5,680,756.36/x - Step 3: Cross multiply
13,772,194.84x = 20,660,814.06 × 5,680,756.36 - Step 4: Simplify right side
13,772,194.84x = 117,369,050,874,122.42 - Step 5: Solve for x
x = 117,369,050,874,122.42/13,772,194.84 - Step 6: Final answer
x = 8,522,174.73
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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.