Finding the Fourth Proportional to 33,257,915.70, 49,861,990.35 and 18,128,930.10
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Solution
The fourth proportional to 33,257,915.70, 49,861,990.35 and 18,128,930.10 is: 27,179,831.29
Step by Step Solution
- Step 1: Write the proportion equation
33,257,915.70 : 49,861,990.35 = 18,128,930.10 : x - Step 2: Convert to fraction form
33,257,915.70/49,861,990.35 = 18,128,930.10/x - Step 3: Cross multiply
33,257,915.70x = 49,861,990.35 × 18,128,930.10 - Step 4: Simplify right side
33,257,915.70x = 903,944,537,702,024.62 - Step 5: Solve for x
x = 903,944,537,702,024.62/33,257,915.70 - Step 6: Final answer
x = 27,179,831.29
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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.