Finding the Fourth Proportional to 11,121,497.70, 16,682,246.55 and 3,941,139.30
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Solution
The fourth proportional to 11,121,497.70, 16,682,246.55 and 3,941,139.30 is: 5,911,708.95
Step by Step Solution
- Step 1: Write the proportion equation
11,121,497.70 : 16,682,246.55 = 3,941,139.30 : x - Step 2: Convert to fraction form
11,121,497.70/16,682,246.55 = 3,941,139.30/x - Step 3: Cross multiply
11,121,497.70x = 16,682,246.55 × 3,941,139.30 - Step 4: Simplify right side
11,121,497.70x = 65,747,057,490,494.41 - Step 5: Solve for x
x = 65,747,057,490,494.41/11,121,497.70 - Step 6: Final answer
x = 5,911,708.95
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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.