Finding the Fourth Proportional to 7,438,883.67, 11,147,671.17 and 4,237,399.98
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Solution
The fourth proportional to 7,438,883.67, 11,147,671.17 and 4,237,399.98 is: 6,350,030.96
Step by Step Solution
- Step 1: Write the proportion equation
7,438,883.67 : 11,147,671.17 = 4,237,399.98 : x - Step 2: Convert to fraction form
7,438,883.67/11,147,671.17 = 4,237,399.98/x - Step 3: Cross multiply
7,438,883.67x = 11,147,671.17 × 4,237,399.98 - Step 4: Simplify right side
7,438,883.67x = 47,237,141,592,804.58 - Step 5: Solve for x
x = 47,237,141,592,804.58/7,438,883.67 - Step 6: Final answer
x = 6,350,030.96
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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.