Finding the Fourth Proportional to 13,759,117.40, 20,630,900.10 and 5,239,731.80
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Solution
The fourth proportional to 13,759,117.40, 20,630,900.10 and 5,239,731.80 is: 7,856,636.45
Step by Step Solution
- Step 1: Write the proportion equation
13,759,117.40 : 20,630,900.10 = 5,239,731.80 : x - Step 2: Convert to fraction form
13,759,117.40/20,630,900.10 = 5,239,731.80/x - Step 3: Cross multiply
13,759,117.40x = 20,630,900.10 × 5,239,731.80 - Step 4: Simplify right side
13,759,117.40x = 108,100,383,316,593.19 - Step 5: Solve for x
x = 108,100,383,316,593.19/13,759,117.40 - Step 6: Final answer
x = 7,856,636.45
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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.