Finding the Fourth Proportional to 19,736,391.42, 27,237,260.07 and 12,000,152.70
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Solution
The fourth proportional to 19,736,391.42, 27,237,260.07 and 12,000,152.70 is: 16,560,843.01
Step by Step Solution
- Step 1: Write the proportion equation
19,736,391.42 : 27,237,260.07 = 12,000,152.70 : x - Step 2: Convert to fraction form
19,736,391.42/27,237,260.07 = 12,000,152.70/x - Step 3: Cross multiply
19,736,391.42x = 27,237,260.07 × 12,000,152.70 - Step 4: Simplify right side
19,736,391.42x = 326,851,279,969,612.69 - Step 5: Solve for x
x = 326,851,279,969,612.69/19,736,391.42 - Step 6: Final answer
x = 16,560,843.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.