Finding the Fourth Proportional to 32,878,305.28, 49,316,441.04 and 15,618,930.48
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Solution
The fourth proportional to 32,878,305.28, 49,316,441.04 and 15,618,930.48 is: 23,427,912.65
Step by Step Solution
- Step 1: Write the proportion equation
32,878,305.28 : 49,316,441.04 = 15,618,930.48 : x - Step 2: Convert to fraction form
32,878,305.28/49,316,441.04 = 15,618,930.48/x - Step 3: Cross multiply
32,878,305.28x = 49,316,441.04 × 15,618,930.48 - Step 4: Simplify right side
32,878,305.28x = 770,270,064,124,778.88 - Step 5: Solve for x
x = 770,270,064,124,778.88/32,878,305.28 - Step 6: Final answer
x = 23,427,912.65
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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.