Finding the Fourth Proportional to 7,166,223.80, 10,738,702.74 and 5,263,665.08
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Solution
The fourth proportional to 7,166,223.80, 10,738,702.74 and 5,263,665.08 is: 7,887,687.60
Step by Step Solution
- Step 1: Write the proportion equation
7,166,223.80 : 10,738,702.74 = 5,263,665.08 : x - Step 2: Convert to fraction form
7,166,223.80/10,738,702.74 = 5,263,665.08/x - Step 3: Cross multiply
7,166,223.80x = 10,738,702.74 × 5,263,665.08 - Step 4: Simplify right side
7,166,223.80x = 56,524,934,617,038.32 - Step 5: Solve for x
x = 56,524,934,617,038.32/7,166,223.80 - Step 6: Final answer
x = 7,887,687.60
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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.