Finding the Fourth Proportional to 11,408,423.88, 17,112,674.88 and 2,888,756.40
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Solution
The fourth proportional to 11,408,423.88, 17,112,674.88 and 2,888,756.40 is: 4,333,144.49
Step by Step Solution
- Step 1: Write the proportion equation
11,408,423.88 : 17,112,674.88 = 2,888,756.40 : x - Step 2: Convert to fraction form
11,408,423.88/17,112,674.88 = 2,888,756.40/x - Step 3: Cross multiply
11,408,423.88x = 17,112,674.88 × 2,888,756.40 - Step 4: Simplify right side
11,408,423.88x = 49,434,349,080,719.23 - Step 5: Solve for x
x = 49,434,349,080,719.23/11,408,423.88 - Step 6: Final answer
x = 4,333,144.49
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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.