Finding the Fourth Proportional to 13,299,815.31, 19,950,562.80 and 5,622,028.44
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Solution
The fourth proportional to 13,299,815.31, 19,950,562.80 and 5,622,028.44 is: 8,433,397.67
Step by Step Solution
- Step 1: Write the proportion equation
13,299,815.31 : 19,950,562.80 = 5,622,028.44 : x - Step 2: Convert to fraction form
13,299,815.31/19,950,562.80 = 5,622,028.44/x - Step 3: Cross multiply
13,299,815.31x = 19,950,562.80 × 5,622,028.44 - Step 4: Simplify right side
13,299,815.31x = 112,162,631,455,606.05 - Step 5: Solve for x
x = 112,162,631,455,606.05/13,299,815.31 - Step 6: Final answer
x = 8,433,397.67
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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.