Finding the Fourth Proportional to 8,104,272.42, 12,157,259.99 and 2,639,793.07
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Solution
The fourth proportional to 8,104,272.42, 12,157,259.99 and 2,639,793.07 is: 3,959,966.92
Step by Step Solution
- Step 1: Write the proportion equation
8,104,272.42 : 12,157,259.99 = 2,639,793.07 : x - Step 2: Convert to fraction form
8,104,272.42/12,157,259.99 = 2,639,793.07/x - Step 3: Cross multiply
8,104,272.42x = 12,157,259.99 × 2,639,793.07 - Step 4: Simplify right side
8,104,272.42x = 32,092,650,678,389.75 - Step 5: Solve for x
x = 32,092,650,678,389.75/8,104,272.42 - Step 6: Final answer
x = 3,959,966.92
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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.