Finding the Fourth Proportional to 13,889,273.68, 19,167,195.21 and 7,694,723.02
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Solution
The fourth proportional to 13,889,273.68, 19,167,195.21 and 7,694,723.02 is: 10,618,716.40
Step by Step Solution
- Step 1: Write the proportion equation
13,889,273.68 : 19,167,195.21 = 7,694,723.02 : x - Step 2: Convert to fraction form
13,889,273.68/19,167,195.21 = 7,694,723.02/x - Step 3: Cross multiply
13,889,273.68x = 19,167,195.21 × 7,694,723.02 - Step 4: Simplify right side
13,889,273.68x = 147,486,258,211,220.72 - Step 5: Solve for x
x = 147,486,258,211,220.72/13,889,273.68 - Step 6: Final answer
x = 10,618,716.40
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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.