Finding the Fourth Proportional to 8,782,875.14, 12,121,640.58 and 5,060,982.02
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Solution
The fourth proportional to 8,782,875.14, 12,121,640.58 and 5,060,982.02 is: 6,984,888.67
Step by Step Solution
- Step 1: Write the proportion equation
8,782,875.14 : 12,121,640.58 = 5,060,982.02 : x - Step 2: Convert to fraction form
8,782,875.14/12,121,640.58 = 5,060,982.02/x - Step 3: Cross multiply
8,782,875.14x = 12,121,640.58 × 5,060,982.02 - Step 4: Simplify right side
8,782,875.14x = 61,347,405,028,282.37 - Step 5: Solve for x
x = 61,347,405,028,282.37/8,782,875.14 - Step 6: Final answer
x = 6,984,888.67
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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.