Finding the Fourth Proportional to 13,759,812.56, 20,639,723.34 and 4,044,427.60
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Solution
The fourth proportional to 13,759,812.56, 20,639,723.34 and 4,044,427.60 is: 6,066,642.72
Step by Step Solution
- Step 1: Write the proportion equation
13,759,812.56 : 20,639,723.34 = 4,044,427.60 : x - Step 2: Convert to fraction form
13,759,812.56/20,639,723.34 = 4,044,427.60/x - Step 3: Cross multiply
13,759,812.56x = 20,639,723.34 × 4,044,427.60 - Step 4: Simplify right side
13,759,812.56x = 83,475,866,732,660.19 - Step 5: Solve for x
x = 83,475,866,732,660.19/13,759,812.56 - Step 6: Final answer
x = 6,066,642.72
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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.