Finding the Fourth Proportional to 15,073,393.97, 20,801,293.94 and 8,457,069.07
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Solution
The fourth proportional to 15,073,393.97, 20,801,293.94 and 8,457,069.07 is: 11,670,761.07
Step by Step Solution
- Step 1: Write the proportion equation
15,073,393.97 : 20,801,293.94 = 8,457,069.07 : x - Step 2: Convert to fraction form
15,073,393.97/20,801,293.94 = 8,457,069.07/x - Step 3: Cross multiply
15,073,393.97x = 20,801,293.94 × 8,457,069.07 - Step 4: Simplify right side
15,073,393.97x = 175,917,979,501,663.88 - Step 5: Solve for x
x = 175,917,979,501,663.88/15,073,393.97 - Step 6: Final answer
x = 11,670,761.07
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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.