Finding the Fourth Proportional to 13,759,219.80, 20,638,829.70 and 3,524,059.80
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Solution
The fourth proportional to 13,759,219.80, 20,638,829.70 and 3,524,059.80 is: 5,286,089.70
Step by Step Solution
- Step 1: Write the proportion equation
13,759,219.80 : 20,638,829.70 = 3,524,059.80 : x - Step 2: Convert to fraction form
13,759,219.80/20,638,829.70 = 3,524,059.80/x - Step 3: Cross multiply
13,759,219.80x = 20,638,829.70 × 3,524,059.80 - Step 4: Simplify right side
13,759,219.80x = 72,732,470,064,816.05 - Step 5: Solve for x
x = 72,732,470,064,816.05/13,759,219.80 - Step 6: Final answer
x = 5,286,089.70
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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.