Finding the Fourth Proportional to 12,084,364.88, 18,126,369.45 and 2,986,461.97
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Solution
The fourth proportional to 12,084,364.88, 18,126,369.45 and 2,986,461.97 is: 4,479,648.99
Step by Step Solution
- Step 1: Write the proportion equation
12,084,364.88 : 18,126,369.45 = 2,986,461.97 : x - Step 2: Convert to fraction form
12,084,364.88/18,126,369.45 = 2,986,461.97/x - Step 3: Cross multiply
12,084,364.88x = 18,126,369.45 × 2,986,461.97 - Step 4: Simplify right side
12,084,364.88x = 54,133,712,925,962.96 - Step 5: Solve for x
x = 54,133,712,925,962.96/12,084,364.88 - Step 6: Final answer
x = 4,479,648.99
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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.