Finding the Fourth Proportional to 19,542,174.21, 29,283,368.79 and 10,445,566.41
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Solution
The fourth proportional to 19,542,174.21, 29,283,368.79 and 10,445,566.41 is: 15,652,371.64
Step by Step Solution
- Step 1: Write the proportion equation
19,542,174.21 : 29,283,368.79 = 10,445,566.41 : x - Step 2: Convert to fraction form
19,542,174.21/29,283,368.79 = 10,445,566.41/x - Step 3: Cross multiply
19,542,174.21x = 29,283,368.79 × 10,445,566.41 - Step 4: Simplify right side
19,542,174.21x = 305,881,373,404,466.31 - Step 5: Solve for x
x = 305,881,373,404,466.31/19,542,174.21 - Step 6: Final answer
x = 15,652,371.64
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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.