Finding the Fourth Proportional to 7,439,729.10, 11,159,593.65 and 6,683,901.90
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Solution
The fourth proportional to 7,439,729.10, 11,159,593.65 and 6,683,901.90 is: 10,025,852.85
Step by Step Solution
- Step 1: Write the proportion equation
7,439,729.10 : 11,159,593.65 = 6,683,901.90 : x - Step 2: Convert to fraction form
7,439,729.10/11,159,593.65 = 6,683,901.90/x - Step 3: Cross multiply
7,439,729.10x = 11,159,593.65 × 6,683,901.90 - Step 4: Simplify right side
7,439,729.10x = 74,589,629,200,462.94 - Step 5: Solve for x
x = 74,589,629,200,462.94/7,439,729.10 - Step 6: Final answer
x = 10,025,852.85
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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.