Finding the Fourth Proportional to 8,292,586.32, 12,439,509.26 and 2,825,982.18
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Solution
The fourth proportional to 8,292,586.32, 12,439,509.26 and 2,825,982.18 is: 4,239,187.89
Step by Step Solution
- Step 1: Write the proportion equation
8,292,586.32 : 12,439,509.26 = 2,825,982.18 : x - Step 2: Convert to fraction form
8,292,586.32/12,439,509.26 = 2,825,982.18/x - Step 3: Cross multiply
8,292,586.32x = 12,439,509.26 × 2,825,982.18 - Step 4: Simplify right side
8,292,586.32x = 35,153,831,482,575.08 - Step 5: Solve for x
x = 35,153,831,482,575.08/8,292,586.32 - Step 6: Final answer
x = 4,239,187.89
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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.