Finding the Fourth Proportional to 8,157,642.54, 12,225,440.99 and 3,106,197.42
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Solution
The fourth proportional to 8,157,642.54, 12,225,440.99 and 3,106,197.42 is: 4,655,098.96
Step by Step Solution
- Step 1: Write the proportion equation
8,157,642.54 : 12,225,440.99 = 3,106,197.42 : x - Step 2: Convert to fraction form
8,157,642.54/12,225,440.99 = 3,106,197.42/x - Step 3: Cross multiply
8,157,642.54x = 12,225,440.99 × 3,106,197.42 - Step 4: Simplify right side
8,157,642.54x = 37,974,633,269,265.73 - Step 5: Solve for x
x = 37,974,633,269,265.73/8,157,642.54 - Step 6: Final answer
x = 4,655,098.96
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1.5x scale
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.