Finding the Fourth Proportional to 12,395,792.70, 18,593,689.05 and 12,395,792.70
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Solution
The fourth proportional to 12,395,792.70, 18,593,689.05 and 12,395,792.70 is: 18,593,689.05
Step by Step Solution
- Step 1: Write the proportion equation
12,395,792.70 : 18,593,689.05 = 12,395,792.70 : x - Step 2: Convert to fraction form
12,395,792.70/18,593,689.05 = 12,395,792.70/x - Step 3: Cross multiply
12,395,792.70x = 18,593,689.05 × 12,395,792.70 - Step 4: Simplify right side
12,395,792.70x = 230,483,514,992,059.94 - Step 5: Solve for x
x = 230,483,514,992,059.94/12,395,792.70 - Step 6: Final answer
x = 18,593,689.05
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Similar ratio
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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.