Finding the Fourth Proportional to 18,145,230.90, 27,217,846.35 and 6,177,966.90
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Solution
The fourth proportional to 18,145,230.90, 27,217,846.35 and 6,177,966.90 is: 9,266,950.35
Step by Step Solution
- Step 1: Write the proportion equation
18,145,230.90 : 27,217,846.35 = 6,177,966.90 : x - Step 2: Convert to fraction form
18,145,230.90/27,217,846.35 = 6,177,966.90/x - Step 3: Cross multiply
18,145,230.90x = 27,217,846.35 × 6,177,966.90 - Step 4: Simplify right side
18,145,230.90x = 168,150,953,839,585.84 - Step 5: Solve for x
x = 168,150,953,839,585.84/18,145,230.90 - Step 6: Final answer
x = 9,266,950.35
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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.