Finding the Fourth Proportional to 7,972,438.02, 11,001,961.50 and 4,350,766.02
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Solution
The fourth proportional to 7,972,438.02, 11,001,961.50 and 4,350,766.02 is: 6,004,055.49
Step by Step Solution
- Step 1: Write the proportion equation
7,972,438.02 : 11,001,961.50 = 4,350,766.02 : x - Step 2: Convert to fraction form
7,972,438.02/11,001,961.50 = 4,350,766.02/x - Step 3: Cross multiply
7,972,438.02x = 11,001,961.50 × 4,350,766.02 - Step 4: Simplify right side
7,972,438.02x = 47,866,960,247,548.23 - Step 5: Solve for x
x = 47,866,960,247,548.23/7,972,438.02 - Step 6: Final answer
x = 6,004,055.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.