Finding the Fourth Proportional to 19,953,734.76, 29,930,664.96 and 5,576,707.80
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Solution
The fourth proportional to 19,953,734.76, 29,930,664.96 and 5,576,707.80 is: 8,365,079.26
Step by Step Solution
- Step 1: Write the proportion equation
19,953,734.76 : 29,930,664.96 = 5,576,707.80 : x - Step 2: Convert to fraction form
19,953,734.76/29,930,664.96 = 5,576,707.80/x - Step 3: Cross multiply
19,953,734.76x = 29,930,664.96 × 5,576,707.80 - Step 4: Simplify right side
19,953,734.76x = 166,914,572,741,618.69 - Step 5: Solve for x
x = 166,914,572,741,618.69/19,953,734.76 - Step 6: Final answer
x = 8,365,079.26
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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.