Finding the Fourth Proportional to 18,288,156.20, 27,419,792.70 and 8,708,124.20
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Solution
The fourth proportional to 18,288,156.20, 27,419,792.70 and 8,708,124.20 is: 13,056,262.08
Step by Step Solution
- Step 1: Write the proportion equation
18,288,156.20 : 27,419,792.70 = 8,708,124.20 : x - Step 2: Convert to fraction form
18,288,156.20/27,419,792.70 = 8,708,124.20/x - Step 3: Cross multiply
18,288,156.20x = 27,419,792.70 × 8,708,124.20 - Step 4: Simplify right side
18,288,156.20x = 238,774,960,369,853.31 - Step 5: Solve for x
x = 238,774,960,369,853.31/18,288,156.20 - Step 6: Final answer
x = 13,056,262.08
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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.